@incollection{AST_1995__232__243_0,
     author = {Voiculescu, Dan},
     title = {Operations on certain non-commutative operator-valued random variables},
     booktitle = {Recent advances in operator algebras - Orl\'eans, 1992},
     series = {Ast\'erisque},
     pages = {243--275},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {232},
     year = {1995},
     mrnumber = {1372537},
     zbl = {0839.46060},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1995__232__243_0/}
}