TY - JOUR AU - Izumi, Masako AU - Izumi, Shin-Ichi TI - Localization Problem of the Absolute Riesz and Absolute Nörlund Summabilities of Fourier Series JO - Canadian journal of mathematics PY - 1970 SP - 615 EP - 625 VL - 22 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-068-6/ DO - 10.4153/CJM-1970-068-6 ID - 10_4153_CJM_1970_068_6 ER -