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[1] Bouyukliev I., Fack V., Willems W., Winne J.. Projective two-weight codes with small parameters and their corresponding graphs. Des. Codes Cryptography, 41, 1, Kluwer Academic Publishers, 2006, ISSN:0925-1022, DOI:10.1007/s10623-006-0019-1, 59-78. ISI IF:0.958
[2] Topalova S., S. Zhelezova. On point-transitive and transitive deficiency one parallelisms of PG (3,4). Designs, Codes and Cryptography, 75, 1, Springer US, 2015, ISSN:0925-1022, DOI:10.1007/s10623-013-9887-3, 9-19. SJR:0.797, ISI IF:0.73
[3] Zhelezova S., N. Daskalova, P. Mateev. Compressed representation of a partially defined integer function over multiple arguments. 95-th Еuropean Study Group with Industry, Problems and Final Reports, 2013, ISBN:978-954-9526-84-4, 29-32
[4] Slavova A., B. Valkov, K. Tonchev, N. Daskalova, M. Nikolova, M. Bivas, P. Mateev, R. Yordanova, S. Zhelezova. Estimation of errors in text and data processing. 95-th Еuropean Study Group with Industry, Problems and Final Reports, 2013, 33-38
[5] Bouyukliev I., Y. Kageyama, T. Maruta. On the minimum length of linear codes over F5. Discrete Mathematics, 338, 6, Elsevier, 2015, ISSN:0012-365X, DOI:10.1016/j.disc.2015.01.010, 938-953. SJR:1.124, ISI IF:0.598
[6] Baicheva Ts., D. Bikov, Y. Borisov, L. Lazarova, A. Stojanova, Liliya Stoikova, St. Zhelezova. Finding an effective metric used for bijective S-Box generation by genetic algorithms. 104-th Еuropean Study Group with Industry, Problems and Final Reports, 2014, 71-76
[7] Bouyukliev I, M. Dzhumalieva-Stoeva, V. Monev. On the Classificaton of the Binary Self-Dual Codes of Length 40. Proc. of the International Workshop on Algebraic and Combinatorial Coding Theory, Svetlogorsk, Russia 2014, ISBN:978-5-901158-26-5, 6
[8] Baicheva, T.. Determination of the best CRC codes with up to 10-bit redundancy. IEEE Transaction on Communications, 56, 8, 2008, ISSN:00906778, 1214-1220. ISI IF:2.07
[9] Topalova S., S. Zhelezova. Doubly resolvable designs with small parameters. Ars Combinatoria, 117, The Charles Babbage Research Centre, Winnipeg, Manitoba, Canada., 2014, ISSN:0381-7032, 289-302. SJR:0.447, ISI IF:0.204
[10] T. Baicheva, S. Topalova. New perefct difference families. 2014, ISBN:978-5-901158-26-5, 18-23
[11] T. Baicheva, S. Topalova. Classification of optical orthogonal codes and spreads by backtrack search on a parallel computer. 2011, 7-10
[12] Baicheva T., S. Topalova. Classification of optimal (v,4,1) binary cyclically permutable constant weight codes and cyclic S(2,4,v) designs with v. Problems of Information Transmission, 47, 3, 2011, ISSN:0032 - 9460, 224-231. ISI IF:0.484
[13] T. Baicheva, S. Topalova. Optimal (v, 5, 2, 1) optical orthogonal codes with v up to 114. 2011, 1-14
[14] Baicheva T.. All binary linear codes of lengths up to 18 or redundancy up to 10 are normal. Advances in Mathematics of Communications, 5, 4, 2011, ISSN:1930 - 5346, 681-686. SJR:0.624, ISI IF:0.462
[15] T. Baicheva, S. Topalova. An algorithm for classification of optimal optical orthogonal codes. 2010, 11-14
[16] T. Baicheva, S. Topalova. Optimal optical orthogonal codes of weight 5 and small lengths. 2012
[17] T. Baicheva, I. Bouyukliev. On the least covering radius of the binary linear codes of dimension 6. 2010, 399-403
[18] Буюклиев И., Ц. Георгиева-Трифонова. Библиографска система за научна литература BgMath. Девета нацонална научна конференция:Библиотеки четене комуникации Университетско издателство „Св .св. Кирил и Методий 2011, 2011, ISSN:1313-8138
[19] Bouyukliev I., Bikov D.. APPLICATIONS OF THE BINARY REPRESENTATION OF INTEGERS IN ALGORITHMS FOR BOOLEAN FUNCTIONS. Mathematics and Education in Mathematics, 2015, 161-166
[20] Bouyukliev I. G., E. Jacobsson. Results on Binary Linear Codes With Minimum Distance 8 and 10. IEEE Transactions on Information Theory, 57, 2011
[21] Topalova S., S. Zhelezova. 2-Spreads and Transitive and Orthogonal 2-Parallelisms of PG(5, 2). Graphs and Combinatorics, 26, 5, Springer Japan, 2010, ISSN:1435-5914, DOI:10.1007/s00373-010-0943-8, 727-735. SJR:0.836, ISI IF:0.242
[22] Zhelezova S.. Cyclic parallelisms of PG(5,2). Mathematica Balkanica, 24, 1-2, BAS - National Committee for Mathematics, 2010, ISSN:0205-3217, 141-146
[23] Kaski, P., Ostergard, P., Topalova, S., Zlatarski, R.. Steiner Triple Systems of Order 19 and 21 with Subsystems of Order 7. Discrete Mathematics, 308, Elsevier, 2008, ISSN:ISSN 0012-365X, DOI:10.1016/j.disc.2006.06.038, 2732-2741. SJR:1.036, ISI IF:0.502
[24] Topalova S., S. Zhelezova. Parallelisms of PG(3,4) with automorphisms of order 7. Proc. of the International Workshop Optimal Codes and Related Topics, 2009, ISSN:1313-1117, 184-188
[25] Baicheva T., S. Topalova. Optimal (v,5,2,1) optical orthogonal codes of small v. In: Applicable Algebra in Engineering, 2013, ISSN:0938-1279, 165-177. SJR:0.59, ISI IF:0.561
[26] Topalova S., S. Zhelezova. On an algorithm for a double resolvability test. Acta Universitatis Apulensis, 15, 2008, ISSN:1582-5329, 323-330
[27] Bouyukliev I., Bakoev V.. Algorithms for computing the number of codewords of fixed weight in linear codes. Proc. of IV Intern. Workshop on Optimal codes and related topics, 2005, 17-23
[28] S. Zhelezova. Parallel class intersection matrices of orthogonal resolutions. Serdica Journal of Computing, 2, 4, Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, 2008, ISSN:1312-6555, 321-330
[29] Baicheva, T., Topalova, S.. Classification of optimal (v,4,1) optical orthogonal codes with v≤76. Proceedings of the International Workshop on Algebraic and Combinatorial Coding Theory (ACCT), Novosibirsk, Russia (2010), 2010, 26-30
[30] Topalova S., S. Zhelezova. Sets of mutually orthogonal resolutions of BIBDs. Proc. XI Intern. Workshop on Algebraic and Combinatorial Coding Theory, 2008, ISSN:1313-423X, 280-285
[31] Topalova S., S. Zhelezova. Classification of the 2-spreads of PG(5,2). Mathematics and Education in Mathematics, 2008, ISSN:1313-3330, 163-168
[32] Baicheva, T., Topalova, S.. Maximal (v, 4, 3, 1) optical orthogonal codes for asynchronous transmission. Юбилейна научна конференция 25 години факултет Математика и информатика, ВТУ, Издателство Фабер, 2016, ISBN:978-619-00-0419-6, 80-85
[33] S. Zhelezova. PCIMs in constructing doubly resolvable designs. Proc. V Intern. Workshop on Optimal Codes and Related Topics, 2007, ISBN:954-8986-18-3
[34] Topalova S., S. Zhelezova. On the structure of doubly-resolvable 2-(21,3,1) designs. Proc. of X Intern. Workshop on Algebraic and Combinatorial Coding Theory, 2006, 263-268
[35] Zhelezova S.. On regular parallelisms of PG(3,5) with automorphisms of order 5. Proceedings of the 4th International Conference on Technics. Technologies. Education. Safety, Information Technologies, Natural and Mathematical Sciences, 2:, 2016, 72-74
[36] Bouyukliev I., S. Bulygin, E. Martinez-Moro. Foreword: computer algebra in coding theory and cryptography. In: Appl. Algebra Eng. Commun. Comput., 24, 2013, ISSN:0938-1279, 157-158
[37] Topalova S., S. Zhelezova. On the classification of doubly resolvable designs. Proc. IV Intern.Workshop Optimal Codes and Related Topics, 2005, ISBN:954-8986-18-3, 265-268
[38] Bouyukliev I., T. Georgieva. Development of a personal bibliographic information system. In: The Electronic Library, 31, 2013, ISSN:0264-0473, 144-156
[39] Bouyuklieva S., I. Bouyukliev, M. Harada. Some extremal self-dual codes and unimodular lattices in dimension 40. In: Finite Fields and Their Applications, 21, 2013, ISSN:1071-5797, 67-83. SJR:0.096, ISI IF:1.292
[40] Bouyuklieva S., Javier de la Cruz, Wolfgang Willems. On the automorphism group of a binary self-dual [120,60,24] code. In: Applicable Algebra in Engineering, 24, 2013, ISSN:0938-1279, 201-214
[41] Topalova S., S. Zhelezova. Classification of doubly resolvable designs and orthogonal resolutions. Enhancing Cryptographic Primitives with Techniques from Error Correcting codes, in NATO Science for Peace and Security Series - D: Information and Communication Security, IOS Press, Amsterdam, 2009, ISBN:978-1-60750-002-5, DOI:10.3233/978-1-60750-002-5-260, 260-264
[42] Boyvalenkov P., H. Kulina. Investigation of binary orthogonal arrays via their distance distributions. Problems of Information Transmission, 49, 4, Springer (Maik Nauka-Interperiodica Publishing), 2013, ISSN:0032-9460, DOI:10.1134/S0032946013040030, 322-332. SJR:0.81, ISI IF:0.371
[43] Zhelezova S.. On point-cyclic parallelisms of PG(3, 7). Mathematics and Education in Mathematics, 2015, ISSN:1313-3330, 101-105
[44] Boyvalenkov P., M. Stoyanova. New nonexistence results for spherical designs. Advances in Mathematics of Communications, 7, 4, American Institute for Mathematical Sciences, 2013, ISSN:11930-5338 (online), 1930-5346 (print), DOI:10.3934/amc.2013.7.279, 279-292. SJR:0.887, ISI IF:0.651
[45] Mateva, Z., Topalova, S.. Hadamard 2-(63,31,15) designs invariant under the dihedral group of order 10. Discrete Mathematics, 309, 6, Elsevier, 2009, ISSN:0012-365X, DOI:10.1016/j.disc.2008.02.001, 1347-1356. SJR:0.977, ISI IF:0.548
[46] Baicheva T., E. Kolev. About the inverse football pool problem for 9 games. In: Proc of Seventh Int. Workshop on Optimal Codes and Related Topics, 2013, ISSN:1313-1117, 125-133
[47] Boyvalenkov P., P. Dragnev, D. Hardin, E. Saff, M. Stoyanova. Energy bounds for codes and designs in Hamming spaces. Designs, Codes and Cryptography, 82, 1-2, Springer, 2017, ISSN:0925-1022 (Print) 1573-7586 (Online), DOI:10.1007/s10623-016-0286-4, 411-433. SJR:0.64, ISI IF:1.009
[48] Shaw R., S. Topalova. On the types of book spreads of PG(7,2). Proc. of the International Workshop on Algebraic and Combinatorial Coding Theory, 2012, ISSN:1313-423, 293-298
[49] Bouyukliev I., V. Monev, M. Dzhumalieva-Stoeva. About parallelization of an algorithm for the maximum clique problem. In: International Workshop OCRT, 2013, ISSN:1313-1117, 53-58
[50] Bouyuklieva S., I. Bouyukliev. On the binary quasi-cyclic codes. In: International Workshop OCRT, 2013, ISSN:1313-1117, 59-64
[51] Boyvalenkov P., E. Kolev. Mathematical competitions in Bulgaria - development and perspectives. In: Proc. Fifth Intern. Sci. Conf. of South-West University, 2013, ISSN:1314-0272, 3-13
[52] Boyvalenkov P., H. Kulina, M. Stoyanova. Nonexistence of certain binary orthogonal arrays. In: Proc. Seventh International Workshop on Optimal Codes and Related Topics, 2013, ISSN:1313-1117, 65-70
[53] Boyvalenkov P., H. Kulina, M. Stoyanova. On (4,9,96) binary orthogonal arrays. In: Proc. Seventh International Workshop on Optimal Codes and Related Topics, 2013, ISSN:1313-1117, 71-76
[54] Topalova, S.. Conjugates for finding the automorphism group and isomorphism of design resolutions. Serdica Journal of Computing, 10, 1, ИМИ, 2016, ISSN:1312-6555, 79-92
[55] Topalova S., S. Zhelezova. Parallelisms of PG(3,4) with automorphisms of order 5. Proc. of the International Workshop on Algebraic and Combinatorial Coding Theory, Institute of Mathematics and Informatics Bulgarian Academy of Sciences, 2012, ISSN:1313-423X, 311-316
[56] McDonough T. P., R. Shaw, S. Topalova. Classification of book spreads in PG (5, 2). Note di Matematica, 33, 2, University of Salento, Lecce (Italy), 2013, ISSN:1123-2536, 43-64. SJR:0.163
[57] Shaw, R., S. Topalova. Book spreads in PG (7, 2). Discrete Mathematics, 330, Elsevier, 2014, ISSN:0012-365X, DOI:10.1016/j.disc.2014.04.013, 76-86. SJR:1.124, ISI IF:0.566
[58] Mateva, Z., Topalova, S.. Line spreads of PG(5,2). Journal of Combinatorial Designs, 17, 1, © Wiley Periodicals, Inc., 2009, ISSN:1520-6610, DOI:10.1002/jcd.20198, 90-102. SJR:1.143, ISI IF:0.709
[59] Bouyukliev I., Bakoev V.. A method for efficiently computing the number of codewords of fixed weights in linear codes. Discrete Applied Mathematics, 156, 15, Elsevier, 2008, ISSN:0166-218X, DOI:doi:10.1016/j.dam.2008.01.003, 2986-3004. SJR:1.038
[60] Mateva, Z., Topalova, S.. Doubles of Hadamard 2-(19,9,4) designs with automorphisms of order 3. Proceedings of the Fifth International Workshop on Optimal Codes and Related Topics (OC), White Lagoon, Bulgaria (2007), 2007, ISSN:1313-1117, 183-189
[61] Mateva, Z., Topalova, S.. Quasidoubles of Hadamard 2-(15,7,3) designs with automorphisms of order. Mathematics and Education in Mathematics (2007), 2007, ISBN:978-954-8880-25-1, 180-185
[62] Boyvalenkov P., H. Kulina, M. Stoyanova, T. Marinova. Nonexistence of binary orthogonal arrays via their distance distributions. Problems of Information Transmission, 51, 4, IPPI-RAS, 2015, ISSN:0032-9460 (print) 1608-3253 (electronic), DOI:10.1134/S003294601504002X, 326-334. SJR:0.332, ISI IF:0.632
[63] Fack, V., Topalova, S., Winne, J., Zlatarski, R.. Enumeration of the doubles of the projective plane of order 4. Discrete Mathematics, 306, 18, Elsevier, 2006, ISSN:0012-365X, DOI:doi:10.1016/j.disc.2006.05.007, 2141-2151. SJR:0.941, ISI IF:0.347
[64] Boyvalenkov, P., P. Dragnev, D. Hardin, E. Saff, M. Stoyanova. Bounding energies and cardinalities of spherical codes with inner products in prescribed interval. Proc. Workshop on Coding and Cryptography (WCC2017), 2017, 1-11
[65] Bouyukliev I.. On the binary projective codes with dimension 6. Discrete Applied Mathematics, 154, 12, 2006, DOI:10.1007/s10623-006-0019-1, 1693-1708. ISI IF:0.781
[66] Baicheva T., S. Topalova. Classification results for (v, k, 1) cyclic difference families with small parameters. Intenational Book Series INFORMATION SCIENCE AND COMPUTING, 2012, ISBN:978-954-16-0063-4, 24-30
[67] Bouyukliev I.. Classification of Griesmer codes and dual transform.. Discrete Mathematics, 309, 12, Elsevier, 2009, ISSN:0012-365X, DOI:doi:10.1016/j.disc.2008.12.002, 4049-4068. SJR:1.071, ISI IF:0.557
[68] Topalova, S.. On the resolutions of cyclic Steiner triple systems with small parameters. Journal of Algebra Combinatorics Discrete Structures and Applications, 3, 3, Yildiz Technical University, 2016, ISSN:2148-838X, DOI:10.13069/jacodesmath.47635, 201-208
[69] Boyvalenkov P., T. Marinova, M. Stoyanova. Nonexistence of a few binary orthogonal arrays. Discrete Applied Mathematics, 217, Part 2, Elsevier, 2017, ISSN:0116-281X, DOI:10.1016/j.dam.2016.07.023, 144-150. SJR:0.823, ISI IF:0.956
[70] Boyvalenkov P., S. Boumova, Hr. Kulina, M. Stoyanova. Polynomial techniques for investigation of spherical designs. Designs, Codes and Cryptography, 51, 2009, Springer US, 2009, ISSN:Print 0925-1022 Online 1573-7586, DOI:10.1007/s10623-008-9260-0, 275-288. SJR:0.881, ISI IF:0.825
[71] Boyvalenkov P., S. Boumova, M. Stoyanova. A method for proving nonexistence of spherical designs of odd strength and odd cardinality. Problems of Information Transmission, 45, 2, Springer (SP MAIK Nauka/Interperiodica), 2009, ISSN:Print 0032-9460 Online 1608-3253, DOI:10.1134/S0032946009020033, 110-123. SJR:0.53, ISI IF:0.393
[72] Topalova, S., Zhelezova, S.. Parallelisms of PG(3,4) with automorphisms of order 3. Fifteenth International Workshop on Algebraic and Combinatorial Coding Theory June 18-24, 2016, Albena, Bulgaria, 2016, 272-277
[73] Boyvalenkov P., M. Stoyanova. A new asymptotic bound of the minimum possible odd cardinality of spherical (2k−1)-designs. Discrete Mathematics, 310, 15-16, Elsevier, 2010, ISSN:0012-365X, DOI:10.1016/j.disc.2010.04.007, 2170-2175. SJR:0.933, ISI IF:0.536
[74] Boyvalenkov P., S. Boumova, Hr. Kulina, M. Stoyanova. New nonexistence results for spherical 5-designs. Scientific Res., J. of South-western Univ., Blagoevgrad, Bulgaria, South-western Univ., Blagoevgrad, Bulgaria, 2007, 1-14
[75] Boyvalenkov P., Hr. Kulina. Computing distance distribution of orthogonal arrays. Proc. Twelfth International Workshop Alg. Combin. Coding Theory, Novosibirsk, Russia, Sept. 2010, 2010, 82-85
[76] Baicheva, T., Topalova, S.. Classification of maximal optical orthogonal codes of weight 3 and small lengths. Serdica Journal of Computing, 9, 1, 2015, ISSN:1312-6555, 83-92
[77] Boyvalenkov P., S. Boumova, M. Stoyanova. Nonexistence results for spherical 7-designs. Proc. Eleventh Intern. Workshop Alg. Combin. Coding Theory, Pamporovo, Bulgaria, June 2008, IMI-BAS, 2008, ISSN:ISSN 1313-423X, 35-39
[78] Boyvalenkov P., Hr. Kulina. On the structure of binary orthogonal arrays with small covering radius. Proc. Sixth International Workshop on Optimal Codes and Related Topics, Varna, Bulgaria, June 2009, IMI-BAS, 2009, ISSN:ISSN 1313-1117, 44-48
[79] Boyvalenkov P., M. Stoyanova. New asymptotic bounds for some spherical designs,. Proc. Sixth International Workshop on Optimal Codes and Related Topics, , Varna, Bulgaria, June 2009, IMI-BAS, 2009, ISSN:ISSN 1313-1117, 49-54
[80] Boyvalenkov P., M. Stoyanova. Bounds on the cardinality of spherical codes with inner products in a given range. Proc. Tenth Intern. Workshop Alg. Combin. Coding Theory, Zvenigorod, Russia, Sept. 2006, IPPI-RAS, 2006
[81] Boyvalenkov P., M. Stoyanova. Upper bounds on the covering radius of spherical designs. Proc. Intern. Workshop on Optimal Codes, June 2005, IMI-BAS, 2005, 53-58
[82] Boyvalenkov P., P. Dragnev, D. Hardin, E. Saff, M. Stoyanova. Universal upper and lower bounds on energy of spherical designs. Dolomites Research Notes on Approximation, 8, Padova University Press, 2015, ISSN:ISSN 20356803, DOI:10.14658/pupj-drna-2015-Special_Issue-6, 51-65. SJR:0.318
[83] Mateva, Z., Topalova, S.. Enumeration of 2-(15,7,6) designs with automorphisms of order 7 or 5. Mathematics and Education in Mathematics, СМБ, 2006, ISBN:10 954-8880-23-7, 270-274
[84] Topalova S., S. Zhelezova. Parallelisms of PG(3,5) with automorphisms of order 13. In: Proceedings of the Seventh International Workshop on Optimal Codes and Related Topics, 2013, ISSN:1313-1117, 176-180
[85] Boyvalenkov P., P. Dragnev, D. Hardin, E. Saff, M. Stoyanova. Lower Energy Bounds for Antipodal Spherical Codes and for Codes in Infinite Projective Spaces. Proceedings, XV International Symposium "Problems of Redundancy in Information and Control Systems", IEEE, 2016, ISBN:978-1-5090-4231-9, DOI:10.1109/RED.2016.7779322, 28-32. SJR:0.108
[86] Baicheva T., S. Topalova. Optimal (v,4,2,1) optical orthogonal codes with small parameters. Journal of Combinatorial Designs, 20, 2, 2012, ISSN:1063 - 8539, 142-160. SJR:1.487, ISI IF:0.687
[87] Baicheva T., S. Topalova. Optimal (v,3,1) binary cyclically permutable constant weight codes with small v. Proc. of the International Workshop on Algebraic and Combinatorial Coding Theory, 2012, ISSN:1313-423, 33-38
[88] Bouyukliev I., M. Dzhumalieva-Stoeva. On an algorithm for classification of binary self- dual codes with minimum distance four. ACCT'12, 2012, ISSN:1313-423, 105-110
[89] Boyvalenkov P., H. Kulina. Moments of orthogonal arrays. Proceedings Intern. Workshop Algebr. Combin. Coding Theory, 2012, ISSN:1313-423
[90] Boyvalenkov P., M. Stoyanova. An improved algorithm for proving non-existence of small spherical designs. Proceedings Intern. Workshop Algebr. Combin. Coding Theory, 2012, ISSN:1313-423
[91] Bouyukliev I.. About the code equivalence. Advances in Coding Theory and Cryptology, T. Shaska, W. C. Huffman, D. Joyner, V. Ustimenko, Series, 2007, 126-151
[92] Baicheva, T., Topalova, S.. Construction and classification of optimal (v,5,3,1) optical orthogonal codes. Internat. Scientific Journal "Science. Business. Society.", 5, Scientitic Technical Union of Mechanical Engineering, 2016, ISSN:2367-8380, 7-8
[93] Bikov D., Bouyukliev I., Stojanova A.. Benefit of Using Shared Memory in Implementation of Parallel FWT Algorithm with CUDA C on GPUs. Proceedings of 7th International Conference Information Technologies and Education Development, Zrenjanin, Serbia, 2016, ISBN:978-86-7672-285-3, 250-256
[94] Topalova S., S.Zhelezova. New regular parallelisms of PG(3,5). Journal of Combinatorial Designs, 24, 10, Wiley Periodicals, Inc., 2016, ISSN:1520-6610, DOI:DOI 10.1002/jcd.21526, 473-482. SJR:1.029, ISI IF:0.657
[95] Zhelezova S.. On regular partial parallelisms of PG(3,7) with automorphisms of order 5. Сборник Юбилейна конференция „25 години ВТУ“, Издателство Фабер, 2016, 91-94
[96] Boyvalenkov P., S. Boumova, Hr. Kulina, M. Stoyanova. New nonexistence results for spherical 5-designs. Proc. Fifth Intern. Workshop on Optimal Codes, White Lagoon, Bulgaria, June 2007, IMI-BAS, 2007, 30-35
[97] Boyvalenkov P., P. Dragnev, D. Hardin, E. Saff, M. Stoyanova. Energy bounds for codes and designs in Hamming spaces (extended abstract). Proc. WCC2015 - 9th International Workshop on Coding and Cryptography 2015, Apr 2015, Paris, France. 2016,, INRIA, 2015
[98] Bouyukliev I., M. Dzhumalieva-Stoeva, V. Monev. Construction of self-orthogonal codes from combinatorial designs. Problems of Information Transmission, 48, 2012, 250-258
[99] Bouyukliev I.. What is Q-extension?. 1, 2, 2007, 115-130
[100] Bouyuklieva S., I. Bouyukliev. An Algorithm for Classification of Binary Self-Dual Codes. IEEE Transactions on Information Theory, 58, 2012, 3933-3940
[101] Boyvalenkov P., M. Stoyanova. Improved approaches for investigation of small spherical designs. C. R. Bulg. Acad. Sciences, 65, 6, Bulgarian Academy of Sciences, 2012, ISSN:1310-1331, 743-750. SJR:0.201, ISI IF:0.21
[102] Boyvalenkov P., S. Dodunekov, O. Musin. A survey on the kissing numbers. Serdica Math. Journal, 38, 4, IMI-BAS, 2012, ISSN:1310-6600, 507-522
[103] Mateva, Z., Topalova, S.. Hadamard 2-(63,31,15) Designs Invariant under the Dihedral group of Order 10. International Conference Pioneers of Bulgarian Mathematics, Book of Abstracts, 2006, 77-77
[104] Boyvalenkov P., M. Stoyanova, T. Marinova. New nonexistence results for binary orthogonal arrays. Proc. 15th International Workshop on Algebraic and Combinatorial Coding Theory, Albena, Bulgaria, June 18-24, 2016, IMI-BAS, 2016, 90-95
[105] Boyvalenkov P., K. Delchev. On maximal antipodal spherical codes with few distances. Electronic Notes in Discrete Mathematics, 57, Elsevier, 2017, ISSN:1571-0653, DOI:10.1016/j.endm.2017.02.015, 85-90. SJR:0.269
[106] Boyvalenkov P., D. Hardin, P. Dragnev, E. Saff, M. Stoyanova. Universal lower bounds for potential energy of spherical codes. Constructive Approximation, 44, 3, Springer US, 2016, ISSN:0176-4276 (Print) 1432-0940 (Online), DOI:10.1007/s00365-016-9327-5, 385-415. SJR:1.053, ISI IF:0.964
[107] Boyvalenkov P., P. Dragnev, D. Hardin, E. Saff, M. Stoyanova. Universal Lower Bounds on Energy and LP-Extremal Polynomials for (4,24)-Codes. Electronic Notes in Discrete Mathematics, 57, Elsevier, 2017, ISSN:1571-0653, DOI:10.1016/j.endm.2017.02.016, 91-96. SJR:0.269
[108] Topalova, S., Zhelezova, S.. Double resolvability test – implementation and problems. Abstracts of the Annual Workshop on Algebraic and Combinatorial Coding Theory, Bankya, Bulgaria, 2005, ISBN:ISBN-10: 954-8324-96, 29-29
[109] Fack, V., Topalova, S., Winne, J.. Enumeration of the reducible 2-(21,5,2) designs. Proceedings of OC'2005, Fourth International Workshop on Optimal Codes and Related Topics (OC), Pamporovo, Bulgaria (2005), 2005, ISBN:954-8986-18-3, 146-151
[110] Boyvalenkov P., T. Marinova, M. Stoyanova, M. Sukalinska. Distance distributions and energy of designs in Hamming spaces. Serdica Journal of Computing, 9, 2, IMI-BAS, 2015, ISSN:1314-7897 - Online, 1312-6555 - Print, 139-150
[111] Fack, V., Topalova, S., Winne, J.. On the enumeration of uniquely reducible double designs. European Conference on Combinatorics, Graph Theory and Applications (EuroComb '05) , Berlin, Germany (2005), Stefan Felsner (ed.), Discrete Mathematics and Theoretical Computer Science Proceedings AE, 2005, ISSN:1365-8050, 129-132
[112] Zhelezova S.. A method for classification of doubly resolvable designs and its application. Serdica J. Computing, 5, 2011, 273-308
[113] Boyvalenkov P., P. Dragnev, D. Hardin, E. Saff, M. Stoyanova. On the Riesz energy of spherical designs. Proc. Fourteenth Intern. Workshop "Algebraic and Combinatorial Coding Theory", Svetlogorsk, September 7-13, 2014, IPPI-RAS, 2014, ISBN:978-5-901158-26-5, 103-108
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