@incollection{AST_1973__4__91_0,
     author = {Crepel, Pierre},
     title = {Fonctions sp\'eciales pour des contractions de $\mathbb{L}^1$},
     booktitle = {S\'eminaire KGB sur les marches al\'eatoires},
     series = {Ast\'erisque},
     pages = {91--125},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {4},
     year = {1973},
     mrnumber = {483018},
     zbl = {0267.60072},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1973__4__91_0/}
}