@article{SM_1997_188_9_a6,
     author = {A. A. Ryzhikov and V. I. Chernousov},
     title = {On the classification of the~maximal arithmetic subgroups of simply connected groups},
     journal = {Sbornik. Mathematics},
     pages = {1385--1413},
     publisher = {mathdoc},
     volume = {188},
     number = {9},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1997_188_9_a6/}
}