%0 Journal Article
%A I. M. Burkin
%T A test for the absolute stability of oscillations in control systems with a nonstationary linear part
%J Differencialʹnye uravneniâ
%D 1977
%P 735-737
%V 13
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1977_13_4_a17/
%G ru
%F DE_1977_13_4_a17