TY - JOUR AU - V. V. Stolyarov TI - Limit cycles and boundedness of a dynamical system JO - Differencialʹnye uravneniâ PY - 1989 SP - 1823 EP - 1824 VL - 25 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_10_a29/ LA - ru ID - DE_1989_25_10_a29 ER -