@book{AST_1986__138-139__1_0,
     author = {Chaperon, Marc},
     title = {G\'eom\'etrie diff\'erentielle et singularit\'es de syst\`emes dynamiques},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {138-139},
     year = {1986},
     mrnumber = {858911},
     zbl = {0601.58002},
     language = {fr},
     url = {http://www.numdam.org/item/AST_1986__138-139__1_0/}
}