TY - JOUR AU - R. K. Vasil'ev TI - Summation methods for Fourier series yielding best order of approximation JO - Matematičeskie zametki PY - 1993 SP - 145 EP - 151 VL - 54 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1993_54_2_a14/ LA - ru ID - MZM_1993_54_2_a14 ER -