@incollection{AST_1995__232__111_0,
     author = {Landstad, Magnus B.},
     title = {Simplicity of crossed products from ergodic actions of compact matrix pseudogroups},
     booktitle = {Recent advances in operator algebras - Orl\'eans, 1992},
     series = {Ast\'erisque},
     pages = {111--114},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {232},
     year = {1995},
     mrnumber = {1372528},
     zbl = {0842.46044},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1995__232__111_0/}
}