BORZOOEI, R.A.; ZAHIRI, O. ON HYPER PSEUDO MV-ALGEBRAS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 33, p. 201–224, 2014. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6296. Acesso em: 7 aug. 2026.