@article{IM2_1981_16_2_a5,
     author = {V. P. Platonov and A. A. Bondarenko and A. S. Rapinchuk},
     title = {Class numbers and groups of algebraic {groups.~II}},
     journal = {Izvestiya. Mathematics},
     pages = {357--372},
     year = {1981},
     volume = {16},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1981_16_2_a5/}
}