TY  - JOUR
AU  - S. B. Kuksin
TI  - Reducible variational equations and the perturbation of invariant tori of Hamiltonian systems
JO  - Matematičeskie zametki
PY  - 1989
SP  - 38
EP  - 49
VL  - 45
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1989_45_5_a4/
LA  - ru
ID  - MZM_1989_45_5_a4
ER  -