TY - JOUR AU - Hüseyın Bor TI - Absolute Nörlund summability factors of power series and Fourier series JO - Annales Polonici Mathematici PY - 1991 SP - 11 EP - 17 VL - 56 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-56-1-11-17/ DO - 10.4064/ap-56-1-11-17 LA - de ID - 10_4064_ap_56_1_11_17 ER -