1. An Introduction to the Theory of Functional Equations and Inequalities Cauchy's Equations and Jensen Inequality;Kuczma,1985
2. Results on on t—Wright convexity;Maksa;C. R. Math. Rep. Acad. Sci. Canada,1991
3. The converse of the Minkowski inequality theorem and its generalization;Matkowski,1990
4. Quasi-monotonicity, Subadditive bijections of R+, and a characterization of Lp-norm;Matkowski;J. Math. Anal. Appl.,1991
5. Functional inequality characterizing nonegative concave functions in (0, ∞)k;Matkowski;Aequationes Math.,1992