TY - JOUR AU - N. Yu. Dodonov AU - V. V. Zhuk TI - On approximating periodic functions by Riesz sums JO - Zapiski Nauchnykh Seminarov POMI PY - 2009 SP - 18 EP - 36 VL - 371 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2009_371_a2/ LA - ru ID - ZNSL_2009_371_a2 ER -