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@article{MAN_1973__201_162382, author = {J.R. Holub}, title = {On the {Metric} {Geometry} of {Ideals} of {Operators} on {Hubert} {Space.}}, journal = {Mathematische Annalen}, pages = {157--164}, publisher = {mathdoc}, volume = {201}, year = {1973}, zbl = {0234.47045}, url = {http://geodesic.mathdoc.fr/item/MAN_1973__201_162382/} }
J.R. Holub. On the Metric Geometry of Ideals of Operators on Hubert Space.. Mathematische Annalen, Tome 201 (1973), pp. 157-164. http://geodesic.mathdoc.fr/item/MAN_1973__201_162382/