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@article{PORMA_1970__29_1_115105, author = {Hsiang, Fu Cheng}, title = {On a local property of $|(N,p_n)(C,\alpha )|$ summability of {Fourier} series}, journal = {Portugaliae mathematica}, pages = {27--29}, publisher = {mathdoc}, volume = {29}, number = {1}, year = {1970}, mrnumber = {0282140}, zbl = {0218.42009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1970__29_1_115105/} }
Hsiang, Fu Cheng. On a local property of $|(N,p_n)(C,\alpha )|$ summability of Fourier series. Portugaliae mathematica, Tome 29 (1970) no. 1, pp. 27-29. http://geodesic.mathdoc.fr/item/PORMA_1970__29_1_115105/