OF MEETING, R. 16th International Conference on Functional Equations and Inequalities, Będlewo, Poland, May 17-23, 2015. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 14, p. 163–202, 2015. Disponível em: https://studmath.uken.krakow.pl/article/view/13161. Acesso em: 29 oct. 2026.