T.R. Dinakaran, and B. Meera Devi. “Separation Axioms via ${ }^{\star} \delta$-Set in Topological Vector Spaces”. Malaya Journal of Matematik 9, no. 01 (January 1, 2021): 33–37. Accessed July 16, 2024. https://www.malayajournal.org/index.php/mjm/article/view/961.