%0 Journal Article %A E.C. Daniel %T The Non-Local Character of Summability |N, pn| of a Fourier Series with Factors. %J Mathematische Zeitschrift %D 1967 %P 392-399 %V 99 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1967__99_170789/ %F MZ_1967__99_170789