TY  - JOUR
AU  - Yu. V. Usachev
TI  - Bifurcation of an Invariant Torus from an Equilibrium Under Commensurability Conditions
JO  - Differencialʹnye uravneniâ
PY  - 2003
SP  - 1434
EP  - 1436
VL  - 39
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_2003_39_10_a16/
LA  - ru
ID  - DE_2003_39_10_a16
ER  -