TY - JOUR AU - A. A. Pekarskii TI - Classes of analytic functions determined by best rational approximations in~$H_p$ JO - Sbornik. Mathematics PY - 1986 SP - 1 EP - 18 VL - 55 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1986_55_1_a0/ LA - en ID - SM_1986_55_1_a0 ER -