@article{MAN_1991__290_4_164826,
     author = {Mark McConnell},
     title = {Classical projective geometry and arithmetic groups.},
     journal = {Mathematische Annalen},
     pages = {441--462},
     publisher = {mathdoc},
     volume = {290},
     number = {4},
     year = {1991},
     zbl = {0732.20029},
     url = {http://geodesic.mathdoc.fr/item/MAN_1991__290_4_164826/}
}