%0 Journal Article
%A A. B. Bazarbekov
%T Boundary value problems for the two-dimensional wave equation in a characteristic cone
%J Differencialʹnye uravneniâ
%D 1989
%P 1551-1556
%V 25
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_9_a11/
%G ru
%F DE_1989_25_9_a11