NAMDAR, A.; BORZOOEI, R.A. SPECIAL HOOP ALGEBRAS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 39, p. 334–349, 2018. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6926. Acesso em: 7 oct. 2026.