TY - JOUR AU - V. V. Zhuk TI - Approximation of periodic functions by Jackson type interpolation sums JO - Zapiski Nauchnykh Seminarov POMI PY - 2008 SP - 90 EP - 114 VL - 357 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2008_357_a6/ LA - ru ID - ZNSL_2008_357_a6 ER -