DAO, Nguyen Van. Nonlinear oscillations in systems with large static deflection of elastic elements. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 15, n. 4, p. 7–16, 1993. DOI: 10.15625/0866-7136/10214. Disponível em: https://vjmech.vast.vn/vjmech/article/view/10214. Acesso em: 8 nov. 2025.