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@article{PORMA_1964__23_2_114919, author = {Hsiang, Fu Cheng}, title = {On the strongly regular summability of {Fourier} series}, journal = {Portugaliae mathematica}, pages = {67--72}, publisher = {mathdoc}, volume = {23}, number = {2}, year = {1964}, mrnumber = {0174930}, zbl = {0133.02501}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1964__23_2_114919/} }
Hsiang, Fu Cheng. On the strongly regular summability of Fourier series. Portugaliae mathematica, Tome 23 (1964) no. 2, pp. 67-72. http://geodesic.mathdoc.fr/item/PORMA_1964__23_2_114919/