%0 Journal Article
%A A. Ya. Dubovitskii
%A V. A. Dubovitskii
%T A criterion for the existence of a meaningful maximum principle in a problem with phase constraints
%J Differencialʹnye uravneniâ
%D 1995
%P 1634-1640
%V 31
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1995_31_10_a4/
%G ru
%F DE_1995_31_10_a4