%0 Journal Article
%A O. Yu. Khachay
%T Asymptotics of a solution of a three-dimensional nonlinear wave equation near a butterfly catastrophe point
%J Trudy Instituta matematiki i mehaniki
%D 2017
%P 250-265
%V 23
%N 2
%U http://geodesic.mathdoc.fr/item/TIMM_2017_23_2_a20/
%G ru
%F TIMM_2017_23_2_a20