%0 Journal Article
%A M.R. Parameswaran
%T Some product theorems in summability.
%J Mathematische Zeitschrift
%D 1957
%P 19-26
%V 68
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1957__68_169690/
%F MZ_1957__68_169690