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@article{DOCMA_2001__6__a19, author = {Winkelmann, J\"org}, title = {How frequent are discrete cyclic subgroups of semisimple {Lie} groups?}, journal = {Documenta mathematica}, pages = {29--35}, publisher = {mathdoc}, volume = {6}, year = {2001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_2001__6__a19/} }
Winkelmann, Jörg. How frequent are discrete cyclic subgroups of semisimple Lie groups?. Documenta mathematica, Tome 6 (2001), pp. 29-35. http://geodesic.mathdoc.fr/item/DOCMA_2001__6__a19/