RAKHSHANI, M.R.; BORZOOEI, R.A.; REZAEI, G.R. ON TOPOLOGICAL EFFECT ALGEBRAS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 39, p. 312–325, 2018. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6928. Acesso em: 7 oct. 2026.