%0 Journal Article
%A V. Ya. Ivrii
%T The propagation of singularities of a solution of the wave equation near a boundary
%J Doklady Akademii Nauk
%D 1978
%P 772-774
%V 239
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_239_4_a4/
%G ru
%F DAN_1978_239_4_a4