@phdthesis{BJHTUP11_1996__0447__P0_0,
     author = {Drutu, Cornelia},
     title = {R\'eseaux des groupes semi simples et invariants de quasi-isom\'etrie},
     series = {Th\`eses d'Orsay},
     publisher = {Universit\'e de Paris-Sud Centre d'Orsay},
     number = {447},
     year = {1996},
     language = {fr},
     url = {http://archive.numdam.org/item/BJHTUP11_1996__0447__P0_0/}
}