@article{TRSPY_1975_136_a17, author = {M. Takesaki}, title = {Duality in properly infinite von {Neumann} algebras}, journal = {Informatics and Automation}, pages = {251--253}, publisher = {mathdoc}, volume = {136}, year = {1975}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1975_136_a17/} }