MENG, Biao Long; XIN, Xiao Long. FALLING FUZZY G D̈¨ EL IDEALS OF BL-ALGEBRAS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 37, p. 237–258, 2017. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6715. Acesso em: 16 sep. 2026.