TY - JOUR AU - Ya. S. Bugrov TI - On the regularity of linear summability methods for Fourier series JO - Doklady Akademii Nauk PY - 1974 SP - 505 EP - 507 VL - 217 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1974_217_3_a0/ LA - ru ID - DAN_1974_217_3_a0 ER -