%0 Journal Article
%A V. A. Yakubovich
%T Absolute stability of nonlinear systems with a periodically
%J Doklady Akademii Nauk
%D 1988
%P 299-303
%V 298
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1988_298_2_a8/
%G ru
%F DAN_1988_298_2_a8