%0 Journal Article
%A Yu. V. Pokornyi
%A O. M. Penkin
%T Comparison theorems for equations on graphs
%J Differencialʹnye uravneniâ
%D 1989
%P 1141-1150
%V 25
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_7_a5/
%G ru
%F DE_1989_25_7_a5