1.
AMSil R. Report of Meeting. The Nineteenth Katowice–Debrecen Winter Seminar on Functional Equations and Inequalities Zakopane (Poland), January 30–February 2, 2019. Ann. Math. Sil. [Internet]. 2019 Jun. 22 [cited 2025 May 7];33:306-25. Available from: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13675