@article{PMIHES_1981__53__53_0,
     author = {Gromov, Michael},
     title = {Groups of polynomial growth and expanding maps (with an appendix by {Jacques} {Tits)}},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {53--78},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {53},
     year = {1981},
     mrnumber = {83b:53041},
     zbl = {0474.20018},
     language = {en},
     url = {http://www.numdam.org/item/PMIHES_1981__53__53_0/}
}