BALASUBRAMANIAN, S. MINIMAL G-OPEN SETS AND MAXIMAL G-CLOSED SETS. Asian Journal of Current Engineering and Maths, [S. l.], v. 1, n. 3, 2013. Disponível em: http://innovativejournal.in/index.php/ajcem/article/view/64. Acesso em: 5 may. 2024.