@article{1200770665, author = {Chahal, Jasbir Singh}, title = {Arithmetic subgroups of the symplectic group}, journal = {Osaka J. Math.}, volume = {14}, number = {1}, year = {1977}, pages = { 487-500}, language = {en}, url = {http://dml.mathdoc.fr/item/1200770665} }
Chahal, Jasbir Singh. Arithmetic subgroups of the symplectic group. Osaka J. Math., Tome 14 (1977) no. 1, pp. 487-500. http://gdmltest.u-ga.fr/item/1200770665/