1. Department of Mathematics with Didactics, Faculty of Pedagogy, University of Ostrava, Ostrava, Czech Republic
2. Department of Applied Informatics, Faculty of Economics, VŠB-TUO, Ostrava, Czech Republic
3. Department of Mathematical Methods in Economics, Faculty of Economics, VŠB-TUO, Ostrava, Czech Republic
4. Department of Finance, Faculty of Economics, VŠB-TUO, Ostrava, Czech Republic