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@article{AA_1991_3_5_a2, author = {A. L. Gromov}, title = {Spectral classification of some types of unitary weighted shift operators}, journal = {Algebra i analiz}, pages = {62--87}, publisher = {mathdoc}, volume = {3}, number = {5}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AA_1991_3_5_a2/} }
A. L. Gromov. Spectral classification of some types of unitary weighted shift operators. Algebra i analiz, Tome 3 (1991) no. 5, pp. 62-87. http://geodesic.mathdoc.fr/item/AA_1991_3_5_a2/