%0 Journal Article %A G.C.N. Kulshrestha %T Absolute Riesz summability factors of infinite series. %J Mathematische Zeitschrift %D 1964 %P 365-371 %V 86 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1964__86_170349/ %F MZ_1964__86_170349