Nguyen, Thi Mong Tuyen, Quoc Thai Pham, Phuoc Hieu Pham, and Pham Minh Tien Thieu. “Classification of 8-Dimensional Solvable Lie Algebras Having 7-Dimensional Heisenberg Nilradical”. Dong Thap University Journal of Science - Natural Sciences Issue, no. Online First (May 3, 2026): 1–15. Accessed November 8, 2026. https://dthujs.vn/index.php/nsen/article/view/2406.