@article{TM_1975_136_a17,
     author = {M. Takesaki},
     title = {Duality in properly infinite von {Neumann} algebras},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {251--253},
     year = {1975},
     volume = {136},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_1975_136_a17/}
}