%0 Journal Article
%A A. F. Kleimenov
%T The existence and stability of periodic solutions of systems with lag which are close to a Ljapunov system
%J Differencialʹnye uravneniâ
%D 1968
%P 1433-1440
%V 4
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1968_4_8_a8/
%G ru
%F DE_1968_4_8_a8