%0 Journal Article
%A V. F. Krotov
%T Sufficient conditions for the optimality of discrete control systems
%J Doklady Akademii Nauk
%D 1967
%P 18-21
%V 172
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_172_1_a3/
%G ru
%F DAN_1967_172_1_a3