Meeting, Report of. “18th International Conference on Functional Equations and Inequalities, Będlewo, Poland, July 9-15, 2019”. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica 18 (November 21, 2019): 167–192. Accessed November 22, 2024. https://studmath.uken.krakow.pl/article/view/7952.