AMSil, Redakcja. 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. https://journals.us.edu.pl/index.php/AMSIL/article/view/13463.