%0 Journal Article
%A M. G. Khudai-Verenov
%T A remark on limit cycles of an equation
%J Differencialʹnye uravneniâ
%D 1967
%P 692-694
%V 3
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1967_3_4_a10/
%G ru
%F DE_1967_3_4_a10