@incollection{AST_1981__82-83__173_0,
     author = {Laumon, G.},
     title = {Semi-continuit\'e du conducteur de {Swan} (d'apr\`es {P.} {Deligne)}},
     booktitle = {Caract\'eristique d'Euler-Poincar\'e - S\'eminaire E.N.S. 1978-1979},
     series = {Ast\'erisque},
     pages = {173--219},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {82-83},
     year = {1981},
     mrnumber = {629128},
     zbl = {0504.14013},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1981__82-83__173_0/}
}