%0 Journal Article %A Antoni, Jozef %T On the Summability of Subsequences %J Mathematica slovaca %D 1971 %P 160-166 %V 21 %N 2 %U http://geodesic.mathdoc.fr/item/MASLO_1971_21_2_a10/ %G en %F MASLO_1971_21_2_a10