%0 Journal Article %A V. G. Dolgolaptev %T Absence of absolute summability of the spectral expansions of functions from Nikol'skii's class by Riesz means %J Matematičeskie zametki %D 1984 %P 65-71 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1984_36_1_a6/ %G ru %F MZM_1984_36_1_a6