OF MEETING, R. 19th International Conference on Functional Equations and Inequalities, Bedlewo, Poland, September 11–18, 2021. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 20, p. 129–180, 2022. Disponível em: https://studmath.uken.krakow.pl/article/view/9097. Acesso em: 9 may. 2024.