机译:KESTEN’S THEOREM FOR INVARIANT RANDOM SUBGROUPS
Alfréd Rényi Institute of Mathematics, H-1053, Budapest, Hungary;
Department of Mathematics, Ben-Gurion University of the Negev, P.O.B. 653, Be'er Sheva 84105, Israel;
Departments of Mathematics and Statistics, University of Toronto, M5S 2E4 Canada;