TY  - JOUR
AU  - I. G. Petrovskaya
TI  - On the question of the classification of closed invariant sets of dynamical systems
JO  - Differencialʹnye uravneniâ
PY  - 1986
SP  - 426
EP  - 430
VL  - 22
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1986_22_3_a7/
LA  - ru
ID  - DE_1986_22_3_a7
ER  -