@article{MZM_1991_50_6_a5,
     author = {V. V. Gorbatsevich},
     title = {A~completeness criterion of subgroups of finite covolume in a {Lie~group}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {52--56},
     publisher = {mathdoc},
     volume = {50},
     number = {6},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1991_50_6_a5/}
}