AMSilR. (2003) “Report of Meeting. The Second Debrecen-Katowice Winter Seminar on Functional Equations and Inequalities January 30 - February 2, 2002, Hajdúszoboszló, Hungary”, Annales Mathematicae Silesianae, 16, pp. 83-102. Available at: https://www.journals.us.edu.pl/index.php/AMSIL/article/view/14111 (Accessed: 15May2024).