%0 Journal Article
%A V. G. Boltyanskii
%T The support principle in optimal control problems
%J Differencialʹnye uravneniâ
%D 1973
%P 1363-1370
%V 9
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_8_a0/
%G ru
%F DE_1973_9_8_a0