@article{10_2307_121096,
     author = {Arvind Nair},
     title = {Weighted cohomology of arithmetic groups},
     journal = {Annals of mathematics},
     year = {1999},
     volume = {150},
     number = {1},
     doi = {10.2307/121096},
     zbl = {1012.11046},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/121096/}
}