%0 Journal Article
%A N. E. Barabanov
%T New frequency criteria for the absolute stability and instability of automatic control systems with nonstationary nonlinearity
%J Differencialʹnye uravneniâ
%D 1989
%P 555-563
%V 25
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_4_a0/
%G ru
%F DE_1989_25_4_a0