%0 Journal Article
%A M. V. Dolov
%T Limit Cycles and analytic integrals
%J Differencialʹnye uravneniâ
%D 1969
%P 2026-2033
%V 5
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_11_a7/
%G ru
%F DE_1969_5_11_a7