@book{AST_1998__250__R3_0,
     author = {Bonatti, C. and Langevin, R.},
     title = {Diff\'eomorphismes de {Smale} des surfaces},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {250},
     year = {1998},
     zbl = {0922.58058},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1998__250__R3_0/}
}