%0 Journal Article %A A. Alexiewicz %A W. Orlicz %T On summability of double sequences (I) %J Annales Polonici Mathematici %D 1955 %P 170-181 %V 2 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-2-2-170-181/ %R 10.4064/ap-2-2-170-181 %G en %F 10_4064_ap_2_2_170_181