TY - JOUR AU - N. I. Tsutserova TI - $(C,1)$-Summability of Fourier series with respect to a multiplicative system of functions JO - Matematičeskie zametki PY - 1988 SP - 808 EP - 828 VL - 43 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1988_43_6_a9/ LA - ru ID - MZM_1988_43_6_a9 ER -