LE, N. N. Influence of different parameters on dynamic response of nonlinear oscillations. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 17, n. 4, p. 13–16, 1995. DOI: 10.15625/0866-7136/10141. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10141. Acesso em: 4 may. 2024.