TY - JOUR AU - A. Ganguly AU - В. K. Madan TI - On absolute matrix summability of a factored Fourier series JO - Commentationes Mathematicae PY - 1980 SP - 55 EP - 61 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v21i1.5961/ DO - 10.14708/cm.v21i1.5961 LA - pl ID - 10_14708_cm_v21i1_5961 ER -