%0 Journal Article
%A A. A. Il'in
%T On the question of finding the limiting cycles of an autonomous system of differential equations
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1966
%P 64-65
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1966_1_a7/
%G ru
%F IVM_1966_1_a7