%0 Journal Article
%A I. T. Skorodinskii
%T A necessary condition for optimality for multidimensional singular control
%J Differencialʹnye uravneniâ
%D 1986
%P 435-439
%V 22
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1986_22_3_a9/
%G ru
%F DE_1986_22_3_a9