TY - JOUR AU - S. A. Telyakovskii TI - On approximation by Fourier sums of differentiable functions of high smoothness JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1992 SP - 193 EP - 211 VL - 198 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1992_198_a9/ LA - ru ID - TM_1992_198_a9 ER -