TY - JOUR AU - E. A. Bredikhina TI - On the closest approximation of almost periodical functions by integral functions of finite degree JO - Doklady Akademii Nauk PY - 1957 SP - 17 EP - 20 VL - 117 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_117_1_a2/ LA - ru ID - DAN_1957_117_1_a2 ER -