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Literature Cited
F. S. Beckman and D. A. Quarles, “On isometries of Euclidean spaces,” Proc. Am. Math. Soc.,4, No. 5, 810–815 (1953).
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Additional information
Novosibirsk. Translated from Sibirskii Matematicheskii Zhurnal, Vol. 29, No. 4, pp. 99–105, July–August, 1988.
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Kuz'minykh, A.V. Maps which almost preserve angles. Sib Math J 29, 593–598 (1988). https://doi.org/10.1007/BF00969867
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DOI: https://doi.org/10.1007/BF00969867