%0 Journal Article
%A Yu. S. Kolesov
%T Periodic solutions of relay systems with distributed parameters
%J Sbornik. Mathematics
%D 1970
%P 343-367
%V 12
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1970_12_3_a1/
%G en
%F SM_1970_12_3_a1