On some class of midconvex functions
On some inequalities and stability results related to the exponential function.
On some inequalities characterizing the exponential function
On some length biased inequalities for reliability measures.
On some new N-independent-variable discrete inequalities of the Gronwall type.
On some properties of Erdös sets
On some properties of J-convex stochastic processes.
On stability of additive mappings.
On the abstract Hahn-Banach theorem due to Rodé.
On the characterization of quasiarithmetic means with weight function.
On the equality condition in Hölder's and Minkowski inequalities.
On the equality condition in Hölder's and Minkowski's inequalities. (Summary).
On the exponential function and Pólya's proof
On the graph of a quasi-additive function.
On the Hyers-Ulam stability of quadratic functional equations.
On the lower hull of convex functions.
On the stability of a functional equation related to associativity
On the stability of Drygas functional equation on groups.
On the support of midconvex operators.
On the support of midconvex operators. (Summary).