CHI, T. K.; DINH, N. V. On the interaction between forced and parametric oscillations in a system with two degrees of freedom. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 19, n. 1, p. 12–21, 1997. DOI: 10.15625/0866-7136/10043. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10043. Acesso em: 29 mar. 2024.