TY - JOUR AU - M. S. Aliev TI - Best approximation of continuous functions in the metric $C[a,b]$ by generalized polynomials JO - Doklady Akademii Nauk PY - 1968 SP - 257 EP - 259 VL - 179 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_179_2_a1/ LA - ru ID - DAN_1968_179_2_a1 ER -