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Happy 300th birthday, Leonhard! ‒ continued. (English)
SYMmetryplus, No. 34, 10-11 (2007).
The article briefly presents some of the more advanced things Euler did, such as his \lq\lq 4 squares identity\rq\rq , Euler\rq s proofs of several theorems by Fermat, the introduction of several new functions into mathematics, and his contributions for applied mathematics, especially the calculus of variations. In the end, a few comments are made on the gigantic extent of Euler\rq s mathematical work.
Reviewer: Peter Dürr (Linkenheim)
Classification: A30
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