Tran, Tran Van, and Nguyen Trung Ha. “Instability of the Interface of Viscous Fluids Moving in a Channel Part I. A Linear Problem”. Vietnam Journal of Mechanics 10, no. 3 (September 30, 1988): 20–26. Accessed December 5, 2025. https://vjs.ac.vn/vjmech/article/view/10331.