%0 Journal Article %A Izumi, Masako %A Izumi, Shin-Ichi %T Localization Problem of the Absolute Riesz and Absolute Nörlund Summabilities of Fourier Series %J Canadian journal of mathematics %D 1970 %P 615-625 %V 22 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-068-6/ %R 10.4153/CJM-1970-068-6 %F 10_4153_CJM_1970_068_6