TY - JOUR AU - I. E. Gopengauz TI - On a theorem of A.\,F.~Timan on the approximation of functions by polynomials on a finite interval JO - Matematičeskie zametki PY - 1967 SP - 163 EP - 172 VL - 1 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1967_1_2_a4/ LA - ru ID - MZM_1967_1_2_a4 ER -