TY - JOUR AU - V. V. Filippov TI - Two remarks on the theory of spaces of solutions of ordinary differential equations JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1988 SP - 53 EP - 55 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1988_4_a10/ LA - ru ID - VMUMM_1988_4_a10 ER -