%0 Journal Article
%A L. T. Ashchepkov
%T Singular extremals of discontinuous control systems.~II
%J Diskretnyj analiz i issledovanie operacij
%D 1980
%P 14-27
%N 20
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DA_1980_20_a1/
%G ru
%F DA_1980_20_a1