MANUKYAN, S.M.; BUTAVYAN, A.A.; MANUKYAN, H.M. TRANSMISSION OF NARROW SOUND BEAMS IN NONLINEAR ENVIRONMENT. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 50, n. 1 (239), p. 45–51, 2016. DOI: 10.46991/PSYU:A/2016.50.1.045. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol50_no1_2016_pp045-051. Acesso em: 17 may. 2024.