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@article{MZ_1937__42_168730, author = {L. S., und J. M. Bosanquet and J. M. Hyslop}, title = {On the {Absolute} {Summability} of the {Allied} {Series} of a {Fourier} {Series}}, journal = {Mathematische Zeitschrift}, pages = {489--512}, publisher = {mathdoc}, volume = {42}, year = {1937}, zbl = {0016.21002}, url = {http://geodesic.mathdoc.fr/item/MZ_1937__42_168730/} }
L. S., und J. M. Bosanquet; J. M. Hyslop. On the Absolute Summability of the Allied Series of a Fourier Series. Mathematische Zeitschrift, Tome 42 (1937), pp. 489-512. http://geodesic.mathdoc.fr/item/MZ_1937__42_168730/