Kinh, Nguyen Van. “On the Regularization Method for Solving Ill-Posed Problems With Linear Closed Densely Operators”. Transactions on Engineering and Computing Sciences 11, no. 6 (December 17, 2023): 67–79. Accessed May 15, 2024. https://journals.scholarpublishing.org/index.php/TMLAI/article/view/16001.