TY - JOUR AU - G. M. Buldyk TI - The limit cycles of a certain differential equation JO - Differencialʹnye uravneniâ PY - 1976 SP - 200 EP - 205 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_2_a1/ LA - ru ID - DE_1976_12_2_a1 ER -