%0 Journal Article
%A A. A. Tolstonogov
%T Relaxation in control systems of subdifferential type
%J Izvestiya. Mathematics 
%D 2006
%P 121-152
%V 70
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_2006_70_1_a5/
%G en
%F IM2_2006_70_1_a5