%0 Journal Article
%A M. Gillenberg
%A A. V. Osipov
%T Limit cycles in the two-dimensional May problem
%J Differencialʹnye uravneniâ
%D 1999
%P 733-737
%V 35
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1999_35_6_a2/
%G ru
%F DE_1999_35_6_a2