%0 Journal Article
%A G. R. Oganesyan
%T An initial-value problem for some singular hyperbolic equations and WKB-estimates for its solutions
%J Differencialʹnye uravneniâ
%D 1989
%P 1062-1064
%V 25
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_6_a27/
%G ru
%F DE_1989_25_6_a27