@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://www.numdam.org/item/PMIHES_1984__59__143_0/} }