@article{DAN_1991_319_6_a8,
     author = {V. P. Platonov and A. S. Rapinchuk},
     title = {Abstract characterizations of arithmetic groups with the},
     journal = {Doklady Akademii Nauk},
     pages = {1322--1327},
     year = {1991},
     volume = {319},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_319_6_a8/}
}