ARTHUR , YOSEF. “Linear and Nonlinear Functionsof Norm Minimizing Estimation in Set Indexed Stochastic Processes”. International Journal of Engineering Science and Applied Mathematics (IJESAM) 1, no. 1 (February 24, 2023): 21–24. Accessed June 23, 2025. https://zapjournals.com/Journals/index.php/ijesam/article/view/174.