@article{SM_2004_195_4_a4,
     author = {A. A. Felikson},
     title = {Spherical simplices generating discrete reflection groups},
     journal = {Sbornik. Mathematics},
     pages = {585--598},
     publisher = {mathdoc},
     volume = {195},
     number = {4},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2004_195_4_a4/}
}