TY - JOUR AU - V. V. Filippov TI - Existence and properties of solutions of ordinary differential JO - Doklady Akademii Nauk PY - 1984 SP - 47 EP - 50 VL - 279 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1984_279_1_a10/ LA - ru ID - DAN_1984_279_1_a10 ER -