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Additional information
Moscow. Translated fromSibirskiî Matematicheskiî Zhurnal, Vol. 34, No. 4, pp. 169–176, July–August, 1993.
Translated by A. R. Mullagaliev
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Sabitov, I.K. To the question of smoothness of isometries. Sib Math J 34, 741–748 (1993). https://doi.org/10.1007/BF00975178
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DOI: https://doi.org/10.1007/BF00975178