@article{1256069292, author = {Efrat, Isaac}, title = {Eisenstein series and Cartan groups}, journal = {Illinois J. Math.}, volume = {31}, number = {2}, year = {1987}, pages = { 428-437}, language = {en}, url = {http://dml.mathdoc.fr/item/1256069292} }
Efrat, Isaac. Eisenstein series and Cartan groups. Illinois J. Math., Tome 31 (1987) no. 2, pp. 428-437. http://gdmltest.u-ga.fr/item/1256069292/