@article{JEP_2017__4__473_0, author = {Kivioja, Ville and Le Donne, Enrico}, title = {Isometries of nilpotent metric groups}, journal = {Journal de l{\textquoteright}\'Ecole polytechnique {\textemdash} Math\'ematiques}, pages = {473--482}, publisher = {Ecole polytechnique}, volume = {4}, year = {2017}, doi = {10.5802/jep.48}, mrnumber = {3646026}, zbl = {1369.22006}, language = {en}, url = {http://www.numdam.org/articles/10.5802/jep.48/} }