LIU, Xianping; ZHAN, Jianming. FUZZY PARAMETERIZED FUZZY SOFT RINGS AND APPLICATIONS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 34, p. 89–100, 2015. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6326. Acesso em: 7 aug. 2026.