@article{MZ_1987__196_173873,
     author = {Solomon Friedberg},
     title = {Poincar\'e {Series} for {GL} (n): {Fourier} {Expansion,} {Kloosterman} {Sums,} and {Algebreo-Geometric} {Estimates.}},
     journal = {Mathematische Zeitschrift},
     pages = {165--188},
     publisher = {mathdoc},
     volume = {196},
     year = {1987},
     zbl = {0612.10020},
     url = {http://geodesic.mathdoc.fr/item/MZ_1987__196_173873/}
}