Dung, Hoàng Đình. “Difference Schemes of Generalized Solutions for a Class of Elliptic Non-Linear Differential Equations”. Journal of Computer Science and Cybernetics 17, no. 1 (August 1, 2012): 10–16. Accessed December 5, 2025. https://vjs.ac.vn/jcc/article/view/2423.