%0 Journal Article
%A M. I. Sumin
%T Sufficient conditions for optimality in nonsmooth problems of optimal control of distributed systems
%J Differencialʹnye uravneniâ
%D 1986
%P 326-337
%V 22
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1986_22_2_a17/
%G ru
%F DE_1986_22_2_a17