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Napkin ring problem (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Napkin ring problem" in English language version.

refsWebsite
Global rank English rank
1archive.org
6th place
6th place

archive.org

  • Smith, David E.; Mikami, Yoshio (1914), A History of Japanese Mathematics, Open Court, pp. 121–123, ISBN 0-486-43482-6.