%0 Journal Article
%A V. V. Ostroumov
%T On a differential inequality for a boundary value problem
%J Differencialʹnye uravneniâ
%D 1965
%P 625-630
%V 1
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1965_1_5_a5/
%G ru
%F DE_1965_1_5_a5