TY - JOUR AU - N. N. Vakhania AU - S. A. Chobanyan TI - On the problem of best approximation in a space of vector-valued functions JO - Doklady Akademii Nauk PY - 1982 SP - 24 EP - 27 VL - 264 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_264_1_a3/ LA - ru ID - DAN_1982_264_1_a3 ER -