AMSil R. Report of Meeting. The Seventh Katowice–Debrecen Winter Seminaron Functional Equations and Inequalities January 31 – February 2, 2007 Będlewo, Poland. Ann. Math. Sil. [Internet]. 2007 Sep. 28 [cited 2025 May 7];21:61-74. Available from: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14064