%0 Journal Article
%A V. Ya. Ivrii
%T Propagation of singularities of a solution of the wave equation in a domain having angular points
%J Doklady Akademii Nauk
%D 1978
%P 536-539
%V 241
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_241_3_a8/
%G ru
%F DAN_1978_241_3_a8