Thangaraj Beaula, and R. Abirami. “Some Aspects of 2-Fuzzy 2-Metric Projection Operator of 2-Fuzzy 2-Banach Spaces”. Malaya Journal of Matematik 8, no. 03 (July 1, 2020): 1012–1021. Accessed July 16, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1550.