@article{10_2307_120977,
     author = {Ulrich Bunke and Martin Olbrich},
     title = {Group cohomology and the singularities of the {Selberg} zeta function associated to a {Kleinian} group},
     journal = {Annals of mathematics},
     year = {1999},
     volume = {149},
     number = {2},
     doi = {10.2307/120977},
     zbl = {0969.11019},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/120977/}
}