%0 Book Section %A Landstad, Magnus B. %T Simplicity of crossed products from ergodic actions of compact matrix pseudogroups %B Recent advances in operator algebras - Orléans, 1992 %A Collectif %S Astérisque %D 1995 %P 111-114 %N 232 %I Société mathématique de France %U http://archive.numdam.org/item/AST_1995__232__111_0/ %G en %F AST_1995__232__111_0