AMSil R. Report of Meeting. The Sixth Debrecen-Katowice Winter Seminar On Functional Equations and Inequalities February 1-4, 2006, Berekfürdő, Hungary. Ann. Math. Sil. [Internet]. 2006 Sep. 29 [cited 2025 Jul. 6];20:87-99. Available from: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14070