AZCÁRRAGA, J. A. de; IZQUIERDO, J. M. Topics on n-ary Algebraic Structures. Acta Polytechnica, [S. l.], v. 50, n. 3, 2010. DOI: 10.14311/1179. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1179. Acesso em: 3 may. 2024.