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@article{PORMA_1988__45_2_115615, author = {Sulaiman, W.T.}, title = {On $|\overline{N}, p_n|_k$ summability factors of {Fourier} series}, journal = {Portugaliae mathematica}, pages = {115--124}, publisher = {mathdoc}, volume = {45}, number = {2}, year = {1988}, mrnumber = {0952529}, zbl = {0602.42008}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1988__45_2_115615/} }
Sulaiman, W.T. On $|\overline{N}, p_n|_k$ summability factors of Fourier series. Portugaliae mathematica, Tome 45 (1988) no. 2, pp. 115-124. http://geodesic.mathdoc.fr/item/PORMA_1988__45_2_115615/