Saha, Apu Kumar, and Debasish Bhattacharya. “A Note on Strongly Lower Semi-Continuous Functions and the Induced Fuzzy Topological Space Generated by Them”. Journal of Mathematical and Fundamental Sciences 45, no. 1 (March 1, 2013): 61-82. Accessed October 13, 2025. https://journals.itb.ac.id/index.php/jmfs/article/view/793.