@incollection{AST_1987__150-151__109_0,
     author = {Gomez-Mont, Xavier},
     title = {Universal families of foliations by curves},
     booktitle = {Singularit\'es d'\'equations diff\'erentielles - Dijon, 20-25 mai 1985},
     series = {Ast\'erisque},
     pages = {109--129},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {150-151},
     year = {1987},
     zbl = {0641.32014},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1987__150-151__109_0/}
}