%0 Journal Article
%A Yu. I. Kovach
%T Application of the theorem of differential inequalities to the Goursat problem for a linear system of partial differential equations
%J Differencialʹnye uravneniâ
%D 1965
%P 411-420
%V 1
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1965_1_3_a15/
%G ru
%F DE_1965_1_3_a15