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On the Functional Inequality $$f(x)f(y)-f(xy)\le f(x)+f(y)-f(x+y)$$

Crossref DOI link: https://doi.org/10.1007/s40315-020-00327-8

Published Online: 2020-07-04

Published Print: 2020-11

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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