Derardja, Abdelghani, Lemnaouar Zedam, and Soheyb Milles. 2023. “Fixed Point Theorems for $L$-Fuzzy Monotone Multifunctions”.
Thai Journal of Mathematics
21 (2):265–276. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1457.