Some remarks on the set classes A C N and B C N Z. Kominek — 1983 Commentationes Mathematicae The article contains no abstract
Boundedness and continuity of additive and convex functionals. R. Ger; Z. Kominek — 1989 Aequationes mathematicae
On the existence of a convex solution of the functional equation φ(x) = h(x,φ[f(x)]) Z. Kominek; J. Matkowski — 1974 Annales Polonici Mathematici