-solutions of a system of functional equations
Characteristic functional equations of polynomials and the Morera-Carleman theorem.
Characterizations of some classes of quasilinear functions with applications to triangular norms and to synthesizing judgements. (Short Communication).
Charakterisierung des Cotangens mit Replikativität.
Christensen measurability of polynomial functions and convex functions of higher orders
Christensen measurable solutions of generalized Cauchy functional equations.
Christensen measurable solutions of generalized Cauchy functional equations. (Short Communications).
Composite n-forms and Cauchy kernels.
Condizioni di ridondanza per l'equazione funcionale f(k(t)+h(t)) = f(k(t))+f(h(t)).
In this note we study questions of redundancy concerning the functional equation f(h(x)+k(x)) = f(h(x))+f(k(x)), where h and k are given functions and f is the unknown function.
Continued fractions and the fundamental equation of information.
Correction Note to the Paper: On a Functional Equation Related to Families of Exponential Probability Measures
Correction to: An asymptotic form of Cauchy's functional equation; Volume 24, 2/3 (1982). (Short Communication).
Correction to "On a functional equation arising from hyperbolic geometry", Volume 21 (1980), 113-116.