On alternatives equivalent to the Cauchy functional equation and a related equation.
On alternatives equivalent to the Cauchy functional equation and a related equation. (Short Communication).
On an alternative Cauchy equation.
On an alternative functional equation related to the Cauchy equation. (Short Communication).
On an equation of information theory.
On associative developable surfaces
On axiomatic characterization of information-theoretic measure type
On continuous preservation of norms and areas.
On curves invariant under an axial transform
On differentiable solutions of some systems of functional equations of p-th order
On Functions Satisfying a Generalized Mean Value Equation.
On general solutions of some functional equations.
On homogeneous quasideviation menas.
On Information-Improvement and its Generalization.
On iteration groups and related functional equations.
On measurable solutions of a functional equation and their application to information theory
In this paper, measurable solutions of a functional equation with four unknown functions are obtained. As an application of the measurable solutions a joint characterization of Shannon’s entropy and entropy of type is given.
On measures of relative ‘useful’ information
On Mikusiński-Pexider functional equation
On regular solutions of functional equations.
On S. Gołąb's characterization of the anharmonic ratio