%0 Journal Article %A V. P. Zastavnyi %T On Series Arising from the Approximation of Periodic Differentiable Functions by Poisson Integrals %J Matematičeskie zametki %D 2009 %P 497-511 %V 86 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2009_86_4_a2/ %G ru %F MZM_2009_86_4_a2