Toan, Pham Thi. “Equations of Dynamic and Static Problems of Nonhomogeneous and Anisotropic Elastic Layered-Composite Plates”. Vietnam Journal of Mechanics 18, no. 2 (June 30, 1996): 35–42. Accessed May 27, 2024. https://vjs.ac.vn/index.php/vjmech/article/view/10097.