Talk:Joseph Bertrand

External links modified
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 * Added archive https://web.archive.org/web/20040404032538/http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Bertrand.html to http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Bertrand.html

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Cheers.— InternetArchiveBot  (Report bug) 00:21, 12 December 2017 (UTC)

Hi, someone please add this to Bertrand's Article, its important-

From Buckingham's Article- "Although named for Edgar Buckingham, the π theorem was first proved by French mathematician Joseph Bertrand[1] in 1878." — Preceding unsigned comment added by 2602:304:CFA5:42A0:5540:7F33:4335:708E (talk) 19:47, 19 December 2020 (UTC)