Dung, Dao Van, and Le Kha Hoa. “Nonlinear Analysis of Buckling and Postbuckling for Axially Compressed Functionally Graded Cylindrical Panels With the Poisson’s Ratio Varying Smoothly Along the Thickness”. Vietnam Journal of Mechanics 34, no. 1 (March 1, 2012): 27–44. Accessed November 27, 2021. https://vjs.ac.vn/index.php/vjmech/article/view/426.