AMSil, Redakcja. “Report of Meeting. The Fifth Katowice-Debrecen Winter Seminar On Functional Equations and Inequalities February 2-5, 2005, Będlewo, Poland”. Annales Mathematicae Silesianae 19 (September 30, 2005): 65-78. Accessed November 21, 2024. https://journals.us.edu.pl/index.php/AMSIL/article/view/14087.