DINH, Nguyen Van. Quadratic and cubic non-linearities in a quasi-linear forced system. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 16, n. 2, p. 20–25, 1994. DOI: 10.15625/0866-7136/10162. Disponível em: https://vjmech.vast.vn/vjmech/article/view/10162. Acesso em: 8 nov. 2025.