TY - JOUR AU - S. A. Telyakovskii TI - Integrability of trigonometric series. The estimation of the integral modulus of continuity JO - Sbornik. Mathematics PY - 1973 SP - 557 EP - 573 VL - 20 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1973_20_4_a4/ LA - en ID - SM_1973_20_4_a4 ER -