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@article{MZ_1964__83_170207, author = {O.P. Varshney}, title = {On the absolute {N\"orlund} summability of a {Fourier} series.}, journal = {Mathematische Zeitschrift}, pages = {18--24}, publisher = {mathdoc}, volume = {83}, year = {1964}, zbl = {0116.27802}, url = {http://geodesic.mathdoc.fr/item/MZ_1964__83_170207/} }
O.P. Varshney. On the absolute Nörlund summability of a Fourier series.. Mathematische Zeitschrift, Tome 83 (1964), pp. 18-24. http://geodesic.mathdoc.fr/item/MZ_1964__83_170207/