@article{MAN_1977__230_163033,
     author = {W. Casselman},
     title = {Characters and {Jacquet} {Modules.}},
     journal = {Mathematische Annalen},
     pages = {101--106},
     publisher = {mathdoc},
     volume = {230},
     year = {1977},
     zbl = {0337.22019},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__230_163033/}
}