On the normal stability of functional equations Journal title: Annales Mathematicae Silesianae Authors: Zenon Moszner Subject(s): Mathematics, Science
Alienation of the Jensen, Cauchy and d’Alembert equations Journal title: Annales Mathematicae Silesianae Authors: Barbara Sobek Subject(s): Mathematics, Science
On stability of the Cauchy functional equation in groupoids Journal title: Annales Mathematicae Silesianae Authors: Imke Toborg, Peter Volkmann Subject(s): Mathematics, Science
Stability of functional equations in dislocated quasi-metric spaces Journal title: Annales Mathematicae Silesianae Authors: Beata Hejmej Subject(s): Mathematics, Science