%0 Journal Article
%A V. G. Boltyanskii
%T Criteria for the optimality of discrete processes
%J Differencialʹnye uravneniâ
%D 1972
%P 1745-1752
%V 8
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_10_a2/
%G ru
%F DE_1972_8_10_a2