%0 Journal Article %A C.T. Rajagopal %T On a theorem of Frobenius and Knopp for Abel summability. %J Mathematische Zeitschrift %D 1957 %P 310-319 %V 67 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1957__67_169677/ %F MZ_1957__67_169677