D. Kulyabov, M. Gevorkyan, and A. Korolkova. Proceedings of the Selected Papers of the 8th International Conference "Information and Telecommunication Technologies and Mathematical Modeling of High-Tech Systems" (ITTMM-2018), Moscow, Russia, April 16, 2018, volume 2177 of CEUR Workshop Proceedings, page 25--32. Moscow, (April 2018)
M. Gevorkyan, A. Demidova, A. Korolkova, and D. Kulyabov. Proceedings of the Selected Papers of the 8th International Conference "Information and Telecommunication Technologies and Mathematical Modeling of High-Tech Systems" (ITTMM-2018), Moscow, Russia, April 16, 2018, volume 2177 of CEUR Workshop Proceedings, page 90--100. Moscow, (April 2018)