@article{SM_1968_4_1_a9,
     author = {D. A. Kazhdan and G. A. Margulis},
     title = {A~proof of {Selberg's} conjecture},
     journal = {Sbornik. Mathematics},
     pages = {147--152},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1968},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1968_4_1_a9/}
}