TY - JOUR AU - V. V. Filippov TI - The existence theorem of the solution of an ordinary differential equation JO - Matematičeskie zametki PY - 1986 SP - 743 EP - 748 VL - 40 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1986_40_6_a5/ LA - ru ID - MZM_1986_40_6_a5 ER -