AMSil, Redakcja. “Report of Meeting. The Twenty Fifth Katowice–Debrecen Winter Seminar on Functional Equations and Inequalities Kościelisko-Zakopane, Poland, February 3–6, 2026”. Annales Mathematicae Silesianae (June 30, 2026). Accessed July 5, 2026. https://journals.us.edu.pl/index.php/AMSIL/article/view/24476.