TY - JOUR AU - W. Łenski TI - On the rate of almost strong summability of Fourier series JO - Commentationes Mathematicae PY - 1990 SP - 93 EP - 100 VL - 30 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v30i1.6297/ DO - 10.14708/cm.v30i1.6297 LA - pl ID - 10_14708_cm_v30i1_6297 ER -