Dinh Thi, Kim-Thuy. “Quadratic Programming and Quadratically Constrained Quadratic Programming: Theory, Algorithms, and Applications”. HPU2 Journal of Science: Natural Sciences and Technology 4, no. 03 (December 30, 2025): 80–96. Accessed February 3, 2026. https://sj.hpu2.edu.vn/index.php/journal/article/view/559.