@article{1183524393, author = {Borel, Armand and Harish-Chandra}, title = {Arithmetic subgroups of algebraic groups}, journal = {Bull. Amer. Math. Soc.}, volume = {67}, number = {6}, year = {1961}, pages = { 579-583}, language = {en}, url = {http://dml.mathdoc.fr/item/1183524393} }
Borel, Armand; Harish-Chandra. Arithmetic subgroups of algebraic groups. Bull. Amer. Math. Soc., Tome 67 (1961) no. 6, pp. 579-583. http://gdmltest.u-ga.fr/item/1183524393/