%0 Journal Article
%A L. A. Kalyakin
%T Construction of an asymptotic expansion of the solution of a hyperbolic equation with a weakly nonlinear perturbation
%J Differencialʹnye uravneniâ
%D 1983
%P 1991-1992
%V 19
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_11_a23/
%G ru
%F DE_1983_19_11_a23