S. PIOUS MISSIER; C. REENA; G. MAHADEVAN. Contra Semi*$\delta$-Continuous Functions in Topological Spaces. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 4 - A, p. 19–30, 2017. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/1234. Acesso em: 20 may. 2024.