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@article{MZ_1971__123_171642, author = {Lawrence Crone}, title = {A {Characterization} of {Matrix} {Operators} on l2.}, journal = {Mathematische Zeitschrift}, pages = {315--317}, publisher = {mathdoc}, volume = {123}, year = {1971}, zbl = {0212.16004}, url = {http://geodesic.mathdoc.fr/item/MZ_1971__123_171642/} }
Lawrence Crone. A Characterization of Matrix Operators on l2.. Mathematische Zeitschrift, Tome 123 (1971), pp. 315-317. http://geodesic.mathdoc.fr/item/MZ_1971__123_171642/