@article{MAT_1963_7_1_a1,
     author = {A. Weil},
     title = {On discrete subgroups of {Lie} groups},
     journal = {Matematika},
     pages = {19--42},
     year = {1963},
     volume = {7},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1963_7_1_a1/}
}