Dũng, Hoàng Đình, and Vũ Thế Ngọc. “Difference Schemes for Weak Solutions of Mixed Problem for a Class of Parabolic Differential Equations I”. <i>Journal of Computer Science and Cybernetics</i> 19, no. 1 (July 26, 2012): 91–99. Accessed November 4, 2025. https://jcc.vast.vn/jcc/article/view/1524.