@incollection{AST_1989__171-172__131_0,
     author = {Baldoni-Silva, M. W. and Knapp, A. W.},
     title = {Intertwining operators and unitary representations {II}},
     booktitle = {Orbites unipotentes et repr\'esentations - II. Groupes $p$-adiques et r\'eels},
     series = {Ast\'erisque},
     pages = {131--162},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {171-172},
     year = {1989},
     mrnumber = {1021502},
     zbl = {0711.22004},
     language = {en},
     url = {http://www.numdam.org/item/AST_1989__171-172__131_0/}
}