TY - JOUR AU - S. A. Telyakovskii TI - Lower bounds of the integral modulus of continuity of a function in terms of its Fourier coefficients JO - Matematičeskie zametki PY - 1992 SP - 107 EP - 112 VL - 52 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1992_52_5_a16/ LA - ru ID - MZM_1992_52_5_a16 ER -