@incollection{AST_1989__171-172__1_0,
     author = {AST},
     title = {Orbites unipotentes et repr\'esentations - {II.} {Groupes} $p$-adiques et r\'eels - {Pages} pr\'eliminaires},
     booktitle = {Orbites unipotentes et repr\'esentations - II. Groupes $p$-adiques et r\'eels},
     series = {Ast\'erisque},
     pages = {1--11},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {171-172},
     year = {1989},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1989__171-172__1_0/}
}