TY - JOUR AU - V. A. Pustovalov TI - Strong continuous summability methods for trigonometric series JO - Sbornik. Mathematics PY - 1967 SP - 419 EP - 443 VL - 2 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1967_2_4_a1/ LA - en ID - SM_1967_2_4_a1 ER -