O. RAVI; S. PADMASEKARAN; S. USHARANI; I. RAJASEKARAN. $\breve{g}$-closed and $\breve{g}$-open Maps in Topological Spaces. International Journal of Mathematics And its Applications, [S. l.], v. 3, n. 4 - C, p. 1–8, 2015. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/500. Acesso em: 20 may. 2024.