%0 Journal Article
%A M. G. Abrahamian
%A S. V. Harutyunyan
%T Modulations! instability of spiral wave-packet and stationary periodical wave-envelopes
%J Proceedings of the Yerevan State University. Physical and mathematical sciences
%D 1986
%P 70-77
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZERU_1986_1_a9/
%G ru
%F UZERU_1986_1_a9