CHOCZEWSKI, B. International meetings organized by Polish schools on functional equations. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 5, p. 13–32, 2006. Disponível em: https://studmath.uken.krakow.pl/article/view/13289. Acesso em: 30 oct. 2026.