TY - JOUR AU - J. Meder TI - On the summability almost everywhere of orthonormal series by the method of Euler-Knopp JO - Annales Polonici Mathematici PY - 1958 SP - 135 EP - 148 VL - 5 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-5-2-135-148/ DO - 10.4064/ap-5-2-135-148 LA - en ID - 10_4064_ap_5_2_135_148 ER -