%0 Journal Article
%A D. V. Tunitsky
%T Nonlinear hyperbolic systems with two independent variables
%J Differencialʹnye uravneniâ
%D 1991
%P 147-155
%V 27
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1991_27_1_a16/
%G ru
%F DE_1991_27_1_a16