Krnić, I., O. Obradović, and M.M. Potapov. “On the Accuracy of Regularized Solutions to Quadratic Minimization Problems on a Half Space, in Case of a Normally Solvable Operator”. Yugoslav Journal of Operations Research 14, no. 1 (March 1, 2004): 19–26. Accessed October 28, 2025. https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/119.