PAN, Wenjun; WANG, Qiumei; ZHAN, Jianming. FUZZY ISOMORPHISM THEOREMS OF SOFT GROUPS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 35, p. 605–616, 2015. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6394. Acesso em: 7 aug. 2026.