@article{MAT_1962_6_3_a0,
     author = {A. Selberg},
     title = {On discontinuous groups in higher-dimensional symmetric spaces},
     journal = {Matematika},
     pages = {3--16},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1962_6_3_a0/}
}