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@article{MZ_1964__84_170274, author = {Kazuo Ishiguro}, title = {On the {Sonnenschein} methods of summability.}, journal = {Mathematische Zeitschrift}, pages = {374--377}, publisher = {mathdoc}, volume = {84}, year = {1964}, zbl = {0133.00902}, url = {http://geodesic.mathdoc.fr/item/MZ_1964__84_170274/} }
Kazuo Ishiguro. On the Sonnenschein methods of summability.. Mathematische Zeitschrift, Tome 84 (1964), pp. 374-377. http://geodesic.mathdoc.fr/item/MZ_1964__84_170274/