TY - JOUR AU - S. N. Kirpichnikov AU - A. G. Stepanov TI - The existence of structurally stable global oscillators in a class of sixth-order dynamical systems JO - Differencialʹnye uravneniâ PY - 1985 SP - 2057 EP - 2063 VL - 21 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_12_a4/ LA - ru ID - DE_1985_21_12_a4 ER -