%0 Journal Article
%A D. S. Ushkho
%T Limit cycles of an autonomous system with algebraic right-hand sides
%J Differencialʹnye uravneniâ
%D 1991
%P 1915-1925
%V 27
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1991_27_11_a7/
%G ru
%F DE_1991_27_11_a7