( λ , µ ) -Fuzzy ideals in ternary semirings. Journal of Prime Research in Mathematics, [S. l.], v. 11, n. 1, p. 85 – 92, 2015. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/111. Acesso em: 4 feb. 2026.