CH. SANTHI SUNDAR RAJ; B. SUBRAHMANYAM; U. M. SWAMY. Fuzzy Filters of Meet-semilattices. International Journal of Mathematics And its Applications, [S. l.], v. 7, n. 3, p. 67–76, 2019. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/230. Acesso em: 3 jul. 2024.