@incollection{MSMF_1976__46__181_0,
     author = {Herman, Michel R.},
     title = {Sur la conjugaison des diff\'eomorphismes du cercle \`a des rotations},
     booktitle = {Journ\'ees sur la g\'eom\'etrie de la dimension infinie (Lyon, 1975)},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {181--188},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {46},
     year = {1976},
     doi = {10.24033/msmf.194},
     mrnumber = {56 #6727},
     zbl = {0347.58010},
     url = {http://archive.numdam.org/articles/10.24033/msmf.194/}
}