%0 Journal Article
%A L. É. Reiziņš
%T A homeomorphism of a system of differential equations in neighbourhoods of closed trajectories
%J Doklady Akademii Nauk
%D 1964
%P 1280-1282
%V 154
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_154_6_a9/
%G ru
%F DAN_1964_154_6_a9