Johann Heinrich Lambert (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Johann Heinrich Lambert" in German language version.

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doi.org

  • Miklós Laczkovich: On Lambert’s Proof of the Irrationality of π. In: The American Mathematical Monthly. Band 104, Nr. 5, Mai 1997, S. 439–443, doi:10.2307/2974737.

usgs.gov

planetarynames.wr.usgs.gov

web.archive.org