%0 Journal Article
%A R. E. Ginzburg
%T An application of the method of Ljapunov functions to the investigation of oscillations in nonlinear systems with lag
%J Differencialʹnye uravneniâ
%D 1971
%P 1903-1905
%V 7
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1971_7_10_a17/
%G ru
%F DE_1971_7_10_a17