TY  - JOUR
AU  - G. S. Osipenko
TI  - Perturbation of invariant manifolds. II
JO  - Differencialʹnye uravneniâ
PY  - 1985
SP  - 1337
EP  - 1344
VL  - 21
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_8_a6/
LA  - ru
ID  - DE_1985_21_8_a6
ER  -