Kirakosyan, A., Avetyan, K. and Gasparyan, I. (2017) “PETROS H. BEZIRGANYAN THE GREAT SCIENTIST AND THE PATRIOT: (on the occasion $ 100^{th} $ anniversary)”, Proceedings of the YSU A: Physical and Mathematical Sciences. Yerevan, Armenia, 51(1 (242), pp. 78–80. doi: 10.46991/PYSU:A/2017.51.1.078.