TY - JOUR AU - O. P. Naumov TI - On Poisson--Abel method of summing up Fourier series with respect to multiplicative systems JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2000 SP - 485 EP - 500 VL - 6 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2000_6_2_a9/ LA - ru ID - FPM_2000_6_2_a9 ER -