@article{GDZPPN002322331,
title = {Reducibility of Unramified Unitary Principal Series Representations of p-Adic Groups and Class-1 Representations.},
journal = {Mathematische Annalen},
volume = {261},
year = {1982},
pages = {397-402},
zbl = {0488.22026},
url = {http://dml.mathdoc.fr/item/GDZPPN002322331}
}
Keys, D. Reducibility of Unramified Unitary Principal Series Representations of p-Adic Groups and Class-1 Representations.. Mathematische Annalen, Tome 261 (1982) pp. 397-402. http://gdmltest.u-ga.fr/item/GDZPPN002322331/