On the functional equation $f(x+y)f(x-y)=f^2(x)-f^2 (y)$

Volume 10 / 1961

S. Kurepa Annales Polonici Mathematici 10 (1961), 1-5 DOI: 10.4064/ap-10-1-1-5

Authors

  • S. Kurepa

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