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- Tibor KISS, Some solutions of the Járai--Maksa--Páles functional equation,
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- Kazuki OKAMURA, Properties of quasi-arithmetic means of random variables,
- Andrzej OLBRYŚ, On approximate convexity,
- Adam OSTASZEWSKI, Homomorphisms from Functional Equations: The Goldie Equation Revisited,
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- Paweł PASTECZKA, Invariance property for extended means,
- Kallol PAUL, Geometry of the space of linear operators through the lens of Birkhoff-James orthgonality,
- Teresa RAJBA, On the Raşa, Hermite-Hadamard and Jensen inequalities for Popoviciu's box-$(m,n)$-convex functions,
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