%0 Journal Article
%A V. Ya. Urm
%T Necessary and sufficient conditions for the stability of a system of difference equations
%J Doklady Akademii Nauk
%D 1961
%P 40-43
%V 139
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_139_1_a9/
%G ru
%F DAN_1961_139_1_a9