DHANA BALAN, A. P. µ -  PRE OPEN EQUIVALENT GENERALIZED TOPOLOGICAL SPACES. Asian Journal of Current Engineering and Maths, [S. l.], v. 3, n. 1, 2014. Disponível em: http://innovativejournal.in/index.php/ajcem/article/view/641. Acesso em: 6 may. 2024.