%0 Journal Article
%A K. S. Matviychuk
%T On a comparison method for differential equations close to hyperbolic ones
%J Differencialʹnye uravneniâ
%D 1984
%P 2009-2011
%V 20
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1984_20_11_a27/
%G ru
%F DE_1984_20_11_a27