GSELMANN, Eszter. On approximate n-Jordan homomorphisms. Annales Mathematicae Silesianae, [S. l.], v. 28, p. 47–58, 2014. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13990. Acesso em: 7 may. 2025.