@article{RM_1999_54_3_a7,
     author = {A. V. Egorov},
     title = {Finitely generated groups of unitary operators},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {632--633},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1999_54_3_a7/}
}