@article{PMIHES_1979__49__5_0,
     author = {Herman, Michael R.},
     title = {Sur la conjugaison diff\'erentiable des diff\'eomorphismes du cercle \`a des rotations},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {5--233},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {49},
     year = {1979},
     mrnumber = {538680},
     zbl = {0448.58019},
     language = {fr},
     url = {http://www.numdam.org/item/PMIHES_1979__49__5_0/}
}