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Scientific notes and problems
On some properties of ruled images of congruences of circles
R. M. Geidel'man
Citation:
R. M. Geidel'man, “On some properties of ruled images of congruences of circles”, Russian Math. Surveys, 6:4 (1951)
Linking options:
https://www.mathnet.ru/eng/rm6868 https://www.mathnet.ru/eng/rm/v6/i4/p162
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