claver, YAMEOGO Pierre. “Regularization Methods for an Ill-Posed Elliptic Problem”. International Journal of Formal Sciences: Current and Future Research Trends 17, no. 1 (February 3, 2023): 12–28. Accessed May 6, 2024. https://ijfscfrtjournal.isrra.org/index.php/Formal_Sciences_Journal/article/view/776.