%0 Journal Article
%A Ya. Z. Tsypkin
%T Circular criteria for robust stability of nonlinear discrete
%J Doklady Akademii Nauk
%D 1992
%P 656-661
%V 322
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1992_322_4_a5/
%G ru
%F DAN_1992_322_4_a5