%0 Journal Article
%A M. V. Dolov
%A R. V. Kuz'min
%T On the limit cycles of a class of systems
%J Differencialʹnye uravneniâ
%D 1993
%P 1481-1485
%V 29
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1993_29_9_a1/
%G ru
%F DE_1993_29_9_a1