@article{GDZPPN002329352, title = {Poincar\'e Series on GL (r) and Kloostermann Sums.}, journal = {Mathematische Annalen}, volume = {277}, year = {1987}, pages = {25-52}, zbl = {0597.12017}, url = {http://dml.mathdoc.fr/item/GDZPPN002329352} }
Stevens, Glenn. Poincaré Series on GL (r) and Kloostermann Sums.. Mathematische Annalen, Tome 277 (1987) pp. 25-52. http://gdmltest.u-ga.fr/item/GDZPPN002329352/