@incollection{AST_1984__116__222_0,
     author = {Tsuboi, Takashi},
     title = {$\Gamma_1$-structures avec une seule feuille},
     booktitle = {Structure transverse des feuilletages},
     series = {Ast\'erisque},
     pages = {222--234},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {116},
     year = {1984},
     zbl = {0551.57014},
     mrnumber = {755173},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1984__116__222_0/}
}