A characterization of sets and operations invariant under bijections
Lech Bartlomiejczyk, Józef Drewniak
págs. 1-9
On a symmetric functional equation in two variables
Nicole Brillouët-Belluot
págs. 10-20
Analytic solutions of an iterative functional equation
Wen Rong Li, Sui Sun Cheng
págs. 21-27
On the measurability and the Baire property oft-Wright-convex functions
Andrzej Olbrys
págs. 28-37
A characterization of constant width in Minkowski planes
Gennadiy Averkov, Horst Martini
págs. 38-45
On when the multiplicative center of a near-ring is a subnear-ring
Erhard Aichinger, Mark Farag
págs. 46-59
On covariant embeddings of a linear functional equation with respect to an analytic iteration group in some non-generic cases
Harald Fripertinger, Ludwig Reich
págs. 60-87
Une remarque sur les "logarithmes" associés à certains caractères
Anne Duval
págs. 88-97
Subdirectly irreducible algebras with various equations
Vahan Toghanyan
págs. 98-107
Remarks on the stability of Drygas' equation and the Pexider-quadratic equation
Dilian Yang
págs. 108-116
The functional equation f(x)f(y)f(z) = f(x) + f(y) + f(z)
Walter Benz
págs. 117-120
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