%0 Journal Article %A Hsiang, Fu Cheng %T On a local property of $|(N,p_n)(C,\alpha )|$ summability of Fourier series %J Portugaliae mathematica %D 1970 %P 27-29 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1970__29_1_115105/ %G en %F PORMA_1970__29_1_115105