AMSilR. (2022). Report of Meeting. The Twenty-first Katowice–Debrecen Winter Seminar on Functional Equations and Inequalities Brenna (Poland), February 2-5, 2022. Annales Mathematicae Silesianae, 36(1), 92-105. Retrieved from https://www.journals.us.edu.pl/index.php/AMSIL/article/view/13463