TY - JOUR AU - A. R. Artykov AU - I. G. Rozet AU - B. I. Toporovskaya TI - Some cases of local generation of limit cycles in three-dimensional space JO - Differencialʹnye uravneniâ PY - 1976 SP - 1392 EP - 1403 VL - 12 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_8_a2/ LA - ru ID - DE_1976_12_8_a2 ER -