%0 Journal Article
%A O. M. Penkin
%A Yu. V. Pokornyi
%T On a boundary value problem on a graph
%J Differencialʹnye uravneniâ
%D 1988
%P 701-703
%V 24
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1988_24_4_a24/
%G ru
%F DE_1988_24_4_a24