%0 Journal Article
%A A. F. Kleimenov
%A S. N. Shimanov
%T On the question of the existence and the construction of periodic solutions of systems with lag which are close to Ljapunov systems
%J Differencialʹnye uravneniâ
%D 1968
%P 1199-1211
%V 4
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1968_4_7_a3/
%G ru
%F DE_1968_4_7_a3