1.
AMSil R. Report of Meeting: The Ninth Katowice–Debrecen Winter Seminar on Functional Equations and Inequalities, Będlewo (Poland), February 4–7, 2009. Ann. Math. Sil. [Internet]. 2009 Sep. 30 [cited 2025 May 8];23:103-17. Available from: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14047