@article{TM_1978_148_a6,
     author = {Z. I. Borevich and E. V. Dybkova},
     title = {The index of net subgroups in the general and special linear groups over {a~Dedekind} ring},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {58--64},
     publisher = {mathdoc},
     volume = {148},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1978_148_a6/}
}