LELLIS THIVAGAR, M.; ATHISAYA PONMANI, S.; RAJA RAJESWARI, R.; EKICI, Erdal. On Some Bitopological 𝛾-Separation Axioms. CUBO, A Mathematical Journal, [S. l.], v. 10, n. 3, p. 137–144, 2008. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1506. Acesso em: 11 mar. 2026.