A characterization of some classes of functions F of the form \(F(x,y)=g(\alpha f(x)+\beta f(y)+\gamma)\) or \(F(x,y)=\phi (h(x)+k(y))\)
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Publication:1057433
DOI10.1007/BF02189678zbMath0563.39006MaRDI QIDQ1057433
Daniela Rusconi, Luigi Paganoni
Publication date: 1983
Published in: Aequationes Mathematicae (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/136996
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