%0 Journal Article
%A L. Z. Fishman
%T Criteria for risky and safe bounds for discrete systems
%J Differencialʹnye uravneniâ
%D 1993
%P 723-724
%V 29
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1993_29_4_a19/
%G ru
%F DE_1993_29_4_a19