TY - JOUR AU - D. N. Cheban TI - Nonautonomous dynamical systems with convergence JO - Differencialʹnye uravneniâ PY - 1989 SP - 1633 EP - 1635 VL - 25 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_9_a29/ LA - ru ID - DE_1989_25_9_a29 ER -