TY - JOUR AU - A. N. Bautin TI - On bifurcations in the splitting of a complex equilibrium state with two zero roots into simple states JO - Doklady Akademii Nauk PY - 1982 SP - 784 EP - 787 VL - 264 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_264_4_a2/ LA - ru ID - DAN_1982_264_4_a2 ER -