TY - JOUR AU - A. Yu. Kolesov AU - N. Kh. Rozov TI - On $C^1$-approximation of solutions of systems of differential JO - Doklady Akademii Nauk PY - 1996 SP - 162 EP - 164 VL - 349 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1996_349_2_a4/ LA - ru ID - DAN_1996_349_2_a4 ER -