@incollection{SB_1956-1958__4__49_0,
     author = {Dixmier, Jacques},
     title = {Travaux de {Kadison} sur les invariants unitaires},
     booktitle = {S\'eminaire Bourbaki : ann\'ees 1956/57 - 1957/58, expos\'es 137-168},
     series = {S\'eminaire Bourbaki},
     note = {talk:140},
     pages = {49--56},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {4},
     year = {1958},
     mrnumber = {1610941},
     zbl = {0144.38002},
     language = {fr},
     url = {http://archive.numdam.org/item/SB_1956-1958__4__49_0/}
}