TY - JOUR AU - V. I. Arnol'd AU - Yu. S. Ilyashenko TI - Ordinary differential equations JO - Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Fundamental'nye Napravleniya PY - 1985 SP - 7 EP - 140 VL - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTF_1985_1_a1/ LA - ru ID - INTF_1985_1_a1 ER -