TY - JOUR AU - V. P. Zastavnyi TI - On Series Arising from the Approximation of Periodic Differentiable Functions by Poisson Integrals JO - Matematičeskie zametki PY - 2009 SP - 497 EP - 511 VL - 86 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2009_86_4_a2/ LA - ru ID - MZM_2009_86_4_a2 ER -