Vinh, Pham Chi, and Vu Thi Ngoc Anh. “An Approximate Secular Equation of Rayleigh Waves in an Elastic Half-Space Coated by a Thin Weakly Inhomogeneous Elastic Layer”. Vietnam Journal of Mechanics 37, no. 1 (February 26, 2015): 71–80. Accessed April 19, 2024. https://vjs.ac.vn/index.php/vjmech/article/view/5900.