On the summability almost everywhere of orthonormal series by the method of Euler-Knopp

Wydawnictwa / Czasopisma IMPAN / Annales Polonici Mathematici / Wszystkie zeszyty

J. Meder Annales Polonici Mathematici 5 (1958), 135-148 DOI: 10.4064/ap-5-2-135-148