lLeont’ev, V.K., G.L. Movsisyan, and Zh.G. Margaryan. 2012. “CODE VOLUME BOUNDARIES IN THE ADDITIVE CHANNEL”. Proceedings of the YSU A: Physical and Mathematical Sciences 46 (2 (228). Yerevan, Armenia:14-21. https://doi.org/10.46991/PYSU:A/2012.46.2.014.