@article{1195520226,
author = {Izumi, Masako and Izumi, Shin-ichi},
title = {Absolute summability by logarithmic method of Fourier series},
journal = {Proc. Japan Acad.},
volume = {46},
number = {10},
year = {1970},
pages = { 656-659},
language = {en},
url = {http://dml.mathdoc.fr/item/1195520226}
}
Izumi, Masako; Izumi, Shin-ichi. Absolute summability by logarithmic method of Fourier series. Proc. Japan Acad., Tome 46 (1970) no. 10, pp. 656-659. http://gdmltest.u-ga.fr/item/1195520226/