%0 Journal Article
%A N. D. Pokrovskaya
%T Forced periodic regimes in control systems with regularization by
%J Doklady Akademii Nauk
%D 1990
%P 21-24
%V 313
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_313_1_a3/
%G ru
%F DAN_1990_313_1_a3