DOMAŃSKA, K. An analytic description of the class of rational associative functions. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 11, p. 111–122, 2012. Disponível em: https://studmath.uken.krakow.pl/article/view/13214. Acesso em: 27 oct. 2026.