BORZOOEI, Rajab Ali; PAAD, A. INTEGRAL FILTERS AND INTEGRAL BL-ALGEBRAS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 30, p. 303–316, 2013. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6076. Acesso em: 18 jul. 2026.