@article{PMIHES_1984__59__143_0,
     author = {Pugh, Charles C.},
     title = {The $C^{1}+\alpha $ hypothesis in {Pesin} theory},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {143--161},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {59},
     year = {1984},
     mrnumber = {743817},
     zbl = {0542.58027},
     language = {en},
     url = {http://archive.numdam.org/item/PMIHES_1984__59__143_0/}
}