TY - JOUR AU - V. V. Zhuk TI - Approximating periodic functions in H\"older type metrics by the Fourier sums and the Riesz means JO - Zapiski Nauchnykh Seminarov POMI PY - 2007 SP - 70 EP - 88 VL - 350 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2007_350_a5/ LA - ru ID - ZNSL_2007_350_a5 ER -