%0 Journal Article
%A I. I. Pleshkan
%A K. S. Sibirskii
%T On the problem of the center for systems with discontinuous right-hand sides
%J Differencialʹnye uravneniâ
%D 1973
%P 1817-1825
%V 9
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_10_a8/
%G ru
%F DE_1973_9_10_a8