@article{10_4153_CJM_2012_062_3,
     author = {Kellerhals, Ruth and Kolpakov, Alexander},
     title = {The {Minimal} {Growth} {Rate} of {Cocompact} {Coxeter} {Groups} in {Hyperbolic} 3-space},
     journal = {Canadian journal of mathematics},
     pages = {354--372},
     year = {2014},
     volume = {66},
     number = {2},
     doi = {10.4153/CJM-2012-062-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2012-062-3/}
}