TY - JOUR AU - D. E. Men'shov TI - Summability of orthogonal series by linear methods JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1961 SP - 351 EP - 418 VL - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1961_10_a8/ LA - ru ID - MMO_1961_10_a8 ER -