%0 Journal Article
%A I. N. Sergeev
%T A lower bound for the minimal exponent of a three-dimensional system
%J Differencialʹnye uravneniâ
%D 1999
%P 1387-1397
%V 35
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1999_35_10_a11/
%G ru
%F DE_1999_35_10_a11