of Meeting, Report. “19th International Conference on Functional Equations and Inequalities, Bedlewo, Poland, September 11–18, 2021”. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica 20 (January 13, 2022): 129–180. Accessed May 9, 2024. https://studmath.uken.krakow.pl/article/view/9097.