%0 Journal Article
%A S. V. Zhestkov
%T On periodic solutions of nonlinear hyperbolic systems in a strip
%J Differencialʹnye uravneniâ
%D 1989
%P 1806-1807
%V 25
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_10_a20/
%G ru
%F DE_1989_25_10_a20