DAO, N. V. Nonlinear oscillations in systems with large static deflection of elastic elements. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 15, n. 4, p. 7–16, 1993. DOI: 10.15625/0866-7136/10214. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10214. Acesso em: 24 apr. 2024.