AMERI, R.; RADFAR, A.; BORZOOEI, R.A. CHARACTERIZATION OF HYPER BCI-ALGEBRA OF ORDER 3. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 30, p. 141–156, 2013. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6096. Acesso em: 18 jul. 2026.