On summability of double sequences (I)

Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Annales Polonici Mathematici / All issues

A. Alexiewicz, W. Orlicz Annales Polonici Mathematici 2 (1955), 170-181 DOI: 10.4064/ap-2-2-170-181