TY - JOUR AU - L. Rempulska TI - On the equivalence of logarithmic methods of summabi lity of orthonormal series JO - Commentationes Mathematicae PY - 1983 SP - 109 EP - 115 VL - 23 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v23i1.6044/ DO - 10.14708/cm.v23i1.6044 LA - pl ID - 10_14708_cm_v23i1_6044 ER -