%0 Journal Article
%A I. N. Sergeev
%T An upper estimate for the minimal exponent of a three-dimensional system
%J Differencialʹnye uravneniâ
%D 2000
%P 114-123
%V 36
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2000_36_1_a15/
%G ru
%F DE_2000_36_1_a15