@incollection{AST_1988__168__1_0,
     author = {AST},
     title = {Orbites unipotentes et repr\'esentations -  {I.} {Groupes} finis et {Alg\`ebres} de {Hecke} - {Pages} pr\'eliminaires},
     booktitle = {Orbites unipotentes et repr\'esentations - I. Groupes finis et Alg\`ebres de Hecke},
     series = {Ast\'erisque},
     pages = {1--11},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {168},
     year = {1988},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1988__168__1_0/}
}