@article{ASENS_2007_4_40_2_191_0,
     author = {Mohsen, Olivier},
     title = {Le bas du spectre d'une vari\'et\'e hyperbolique est un point selle},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {191--207},
     publisher = {Elsevier},
     volume = {4e s{\'e}rie, 40},
     number = {2},
     year = {2007},
     doi = {10.1016/j.ansens.2006.12.005},
     mrnumber = {2339284},
     zbl = {1128.58008},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/j.ansens.2006.12.005/}
}