P.N. Jayaprasad, N.M. Madhavan Namboothiri, P.K. Santhosh, and Varghese Jacob. “On Minimal Hausdorff Frames”. Malaya Journal of Matematik 8, no. 04 (October 1, 2020): 1597–1602. Accessed November 21, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1692.