DONG, D. T.; DUNG, D. V. Nonlinear vibration of functionally graded material sandwich doubly curved shallow shells reinforced by FGM stiffeners. Part 2: Numerical results and discussion. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 39, n. 4, p. 329–338, 2017. DOI: 10.15625/0866-7136/9693. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/9693. Acesso em: 29 jan. 2022.