AMSil R. Report of Meeting. The Eighteenth Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities Hajdúszoboszló (Hungary), January 31–February 3, 2018. AMSil [Internet]. 14May2018 [cited 18May2024];32:333-49. Available from: https://journals.us.edu.pl/index.php/AMSIL/article/view/13931