@article{MAN_1984__266_163865,
     author = {M.S. Raghunathan},
     title = {Torsion in {Cocompact} {Lattices} in {Coverings} of {Spin} (2,n).},
     journal = {Mathematische Annalen},
     pages = {403--420},
     publisher = {mathdoc},
     volume = {266},
     year = {1984},
     zbl = {0513.22008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1984__266_163865/}
}