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@article{MM2_1992__75_4_155713, author = {B. Sury}, title = {Arithmetic groups and salem numbers.}, journal = {Manuscripta mathematica}, pages = {97--102}, publisher = {mathdoc}, volume = {75}, number = {4}, year = {1992}, zbl = {0752.11043}, url = {http://geodesic.mathdoc.fr/item/MM2_1992__75_4_155713/} }
B. Sury. Arithmetic groups and salem numbers.. Manuscripta mathematica, Tome 75 (1992) no. 4, pp. 97-102. http://geodesic.mathdoc.fr/item/MM2_1992__75_4_155713/