Saphory, Raheam Al, and Mrooj Al Bayati. “Regional Boundary Gradient Detectability in Distributed Parameter Systems”. JOURNAL OF ADVANCES IN MATHEMATICS 14, no. 2 (June 30, 2018): 7818–7833. Accessed November 21, 2024. https://rajpub.com/index.php/jam/article/view/7478.