TY - JOUR AU - V. P. Zastavnyi TI - Asymptotics of Series Arising from the Approximation of Periodic Functions by Riesz and Ces\`aro Means JO - Matematičeskie zametki PY - 2013 SP - 45 EP - 55 VL - 93 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2013_93_1_a3/ LA - ru ID - MZM_2013_93_1_a3 ER -