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@article{MZ_1953__59_169385, author = {G.G. Lorentz and M.S. Macphail}, title = {Direct theorems on methods of summability {III:} absolute summabilty functions.}, journal = {Mathematische Zeitschrift}, pages = {231--246}, publisher = {mathdoc}, volume = {59}, year = {1953}, zbl = {0053.03603}, url = {http://geodesic.mathdoc.fr/item/MZ_1953__59_169385/} }
G.G. Lorentz; M.S. Macphail. Direct theorems on methods of summability III: absolute summabilty functions.. Mathematische Zeitschrift, Tome 59 (1953), pp. 231-246. http://geodesic.mathdoc.fr/item/MZ_1953__59_169385/