DAO, Nguyen Van. The interaction between two parametric excitations of the second and third degrees. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 22, n. 2, p. 93–100, 2000. DOI: 10.15625/0866-7136/9967. Disponível em: https://vjs.ac.vn/vjmech/article/view/9967. Acesso em: 5 dec. 2025.