@article{BSMF_2003__131_2_267_0,
     author = {Coudene, Yves},
     title = {Hyperbolic systems on nilpotent covers},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {267--287},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {131},
     number = {2},
     year = {2003},
     doi = {10.24033/bsmf.2443},
     mrnumber = {1988950},
     zbl = {1025.37021},
     language = {en},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.2443/}
}