%0 Journal Article
%A T. K. Melikov
%T Recurrence conditions for the optimality of singular controls in
%J Doklady Akademii Nauk
%D 1992
%P 843-846
%V 322
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1992_322_5_a5/
%G ru
%F DAN_1992_322_5_a5