TY - JOUR AU - I. G. Petrovskaya TI - TM-equivalence and classification of noncompact invariant sets of dynamical systems JO - Differencialʹnye uravneniâ PY - 1981 SP - 233 EP - 240 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_2_a4/ LA - ru ID - DE_1981_17_2_a4 ER -