%0 Journal Article
%A A. N. Novokhrost
%T Limit cycles of a quadratic system that has a particular integral in the form of a parabola
%J Differencialʹnye uravneniâ
%D 1991
%P 1981-1983
%V 27
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1991_27_11_a16/
%G ru
%F DE_1991_27_11_a16