%0 Journal Article %A J.R. Holub %T On the Metric Geometry of Ideals of Operators on Hubert Space. %J Mathematische Annalen %D 1973 %P 157-164 %V 201 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1973__201_162382/ %F MAN_1973__201_162382