AMSil, Redakcja. “Report of Meeting. The Twenty-Second Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities Hajdúszoboszló (Hungary), February 1–4, 2023”. Annales Mathematicae Silesianae 37, no. 2 (May 30, 2023): 315–334. Accessed May 6, 2025. https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/15621.