%0 Journal Article
%A D. K. Gvazava
%T Problems with initial and characteristic conditions for hyperbolic equations with a nonlinear principal part
%J Differencialʹnye uravneniâ
%D 1983
%P 22-27
%V 19
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_1_a3/
%G ru
%F DE_1983_19_1_a3