@article{MZM_1974_16_1_a17,
     author = {A. A. Bondarenko},
     title = {The problem of maximality of arithmetic subgroups in orthogonal groups of the type $B_n$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {151--161},
     year = {1974},
     volume = {16},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1974_16_1_a17/}
}