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Reviews and Bibliography
P. S. Aleksandrov, What is the non-Euclidean geometry (review)
N. V. Efimov
Citation:
N. V. Efimov, “P. S. Aleksandrov, What is the non-Euclidean geometry (review)”, Russian Math. Surveys, 7:4 (1952)
Linking options:
https://www.mathnet.ru/eng/rm8361 https://www.mathnet.ru/eng/rm/v7/i4/p197
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