Talk:Fourier transform, discrete

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Why are there two references? --Maximilian Janisch (talk) 17:47, 16 April 2020 (CEST)

Because the original page (probably written in the 1970s) has been augmented later, apparently after 1985, maybe for another print edition.
There are pages with a lot of reference entries, cf. Euler equation.
--Ulf Rehmann (talk) 20:17, 16 April 2020 (CEST)
How to Cite This Entry:
Fourier transform, discrete. Encyclopedia of Mathematics. URL:,_discrete&oldid=45397