%0 Journal Article %A V. V. Zhuk %T Approximation of periodic functions by Jackson type interpolation sums %J Zapiski Nauchnykh Seminarov POMI %D 2008 %P 90-114 %V 357 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2008_357_a6/ %G ru %F ZNSL_2008_357_a6