TY - JOUR AU - L. V. Taikov TI - Best approximation in the mean of certain classes of analytic functions JO - Matematičeskie zametki PY - 1967 SP - 155 EP - 162 VL - 1 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1967_1_2_a3/ LA - ru ID - MZM_1967_1_2_a3 ER -