%0 Journal Article %A Jörg Winkelmann %T How frequent are discrete cyclic subgroups of semisimple Lie groups? %J Documenta mathematica %D 2001 %P 29-35 %V 6 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/95/ %R 10.4171/dm/95 %F 10_4171_dm_95