On the Cauchy functional inequality in Banach modules.
On the characterization of quasiarithmetic means with weight function.
On the coefficients of the natural iterate of a formal power series. (Über die Koeffizienten der natürlichen Iterierten einer formalen Potenzreihe.)
On the computation of nonhyperbolic fixed points.
On the construction of explicit solutions to the matrix equation .
On the Continous Dependence of Continuous Solutions of a Functional Equation of n-th Order on Given Functions.
On the continuity of Q-convex functions and additive functions.
On the continuity of Q-convex functions and additive functions. (Short Communication).
On the continuous dependence of local analytic solutions of the functional equation in the non-uniqueness case
On the continuous dependence of solutions of some functional equations on given functions
On the Continuous Dependences of Cr Solutions of a Functional Equation on the Given Functions
On the continuous solutions of a non-linear functional equation of the first order
On the continuous solutions of the Golab-Schinzel equation.
On the Convergence and Approximation of Cosine Functions.
On the convergence of sequences of iterates of random-valued vector functions
Given a probability space (Ω,,P) and a subset X of a normed space we consider functions f:X × Ω → X and investigate the speed of convergence of the sequence (fⁿ(x,·)) of the iterates defined by f¹(x,ω ) = f(x,ω₁), .
On the Definition of a Quadratic Form
On the dependence of the continous solutions of a functional equation on an arbitrary function.
On The Dependence Of The Continuous Solutions Of A Functional Equation On An Arbitrary Function
On the determination of strict t-norms on some diagonal segments.
On the differentiability of solutions of a functional equation with respect to a parameter