%0 Journal Article
%A Yu. I. Lyubich
%A V. A. Tkachenko
%T On a Floquet theory for equations with retarded argument
%J Differencialʹnye uravneniâ
%D 1969
%P 648-656
%V 5
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_4_a4/
%G ru
%F DE_1969_5_4_a4