Noiri, Takashi, and Valeriu Popa. “A Unified Theory of Weakly ${G}$-Closed Sets and Weakly ${G}$-Continuous Functions”. Sarajevo Journal of Mathematics 9, no. 1 (June 7, 2024): 129–142. Accessed April 21, 2026. https://sjm.ba/index.php/sjm/article/view/254.