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@article{MZ_1928__28_168036, author = {A., Wintner}, title = {Zur {Analysis} im {Hilbertschen} {Raume}}, journal = {Mathematische Zeitschrift}, pages = {451--470}, publisher = {mathdoc}, volume = {28}, year = {1928}, zbl = {54.0424.03}, url = {http://geodesic.mathdoc.fr/item/MZ_1928__28_168036/} }
A., Wintner. Zur Analysis im Hilbertschen Raume. Mathematische Zeitschrift, Tome 28 (1928), pp. 451-470. http://geodesic.mathdoc.fr/item/MZ_1928__28_168036/