@article{GDZPPN002285975, title = {The Space of completely continuous Operators on a Hubert Space.}, journal = {Mathematische Annalen}, volume = {133}, year = {1957}, pages = {47-49}, zbl = {0079.12801}, url = {http://dml.mathdoc.fr/item/GDZPPN002285975} }
Schatten, R. The Space of completely continuous Operators on a Hubert Space.. Mathematische Annalen, Tome 133 (1957) pp. 47-49. http://gdmltest.u-ga.fr/item/GDZPPN002285975/