%0 Journal Article
%A S. S. Kharibegashvili
%T Solvability of a characteristic problem for second-order degenerate hyperbolic systems
%J Differencialʹnye uravneniâ
%D 1989
%P 154-162
%V 25
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_1_a17/
%G ru
%F DE_1989_25_1_a17