%0 Journal Article
%A V. N. Vragov
%T The Goursat and Darboux problems for a certain class of hyperbolic equations
%J Differencialʹnye uravneniâ
%D 1972
%P 7-16
%V 8
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_1_a1/
%G ru
%F DE_1972_8_1_a1