Dao, Nguyen Van, and Nguyen Dung. “Dang Dinh Ang: Nonlinear Analysis and Mechanics (on the Occasion of His Eightieth Birthday)”. Vietnam Journal of Mechanics 28, no. 1 (April 17, 2006): 1–9. Accessed April 27, 2024. https://vjs.ac.vn/index.php/vjmech/article/view/5473.