%0 Journal Article
%A Yu. V. Usachev
%T Bifurcation of an Invariant Torus from an Equilibrium Under Commensurability Conditions
%J Differencialʹnye uravneniâ
%D 2003
%P 1434-1436
%V 39
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2003_39_10_a16/
%G ru
%F DE_2003_39_10_a16