KEHAYOPULU, Niovi. On fuzzy po-Γ-semigroups.
Armenian Journal of Mathematics
, Yerevan, Armenia, v. 6, n. 2, p. 43–52, 2015. Disponível em:
https://armjmath.sci.am/index.php/ajm/article/view/102
. Acesso em: 4 apr. 2025.