@incollection{XUPS_2018____1_0,
     author = {Pansu, Pierre},
     title = {G\'eom\'etrie du groupe de {Heisenberg}},
     booktitle = {Heisenberg et son groupe},
     series = {Journ\'ees math\'ematiques X-UPS},
     pages = {1--25},
     publisher = {Les \'Editions de l{\textquoteright}\'Ecole polytechnique},
     year = {2018},
     doi = {10.5802/xups.2018-01},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.5802/xups.2018-01/}
}