GIDEON, F. A Classification of Fuzzy Subgroups of Finite Abelian Groups. International Science and Technology Journal of Namibia, [S. l.], p. 094–111, 2014. Disponível em: https://journals.unam.edu.na/index.php/ISTJN/article/view/1148. Acesso em: 3 may. 2024.