DOMAŃSKA, K. Cauchy type functional equations related to some associative rational functions. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 18, p. 145–156, 2019. Disponível em: https://studmath.up.krakow.pl/article/view/7950. Acesso em: 6 dec. 2023.