@article{RM_1982_37_4_a26,
     author = {N. A. Vavilov},
     title = {On subgroups of the unitary group over a~semilocal ring},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {145--146},
     publisher = {mathdoc},
     volume = {37},
     number = {4},
     year = {1982},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1982_37_4_a26/}
}