%0 Journal Article
%A M. M. Khapaev
%T Differential equations that contain singular manifolds in control and minimization problems
%J Differencialʹnye uravneniâ
%D 1995
%P 1886-1892
%V 31
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1995_31_11_a13/
%G ru
%F DE_1995_31_11_a13