Efficiency and Duality in Nonsmooth Multiobjective Fractional Programming Involving η-pseudolinear Functions
Eigenschaften offener und affiner Mengen in Verbandsstrukturen
Einige geometrische Aspekte der Bildverarbeitung
Equality of the Lebesgue and the inductive dimension functions for compact spaces with a uniform convexity
Errata to the paper "Families of convex sets closed under intersection, homotheties and uniting increasing sequences of sets" Fundamenta Mathematicae 120 (1984), pp. 14-40
Euclidean Convexity Cannot be Compactified.
Extension and Selection theorems in Topological spaces with a generalized convexity structure