LE, Nguyen Nhat. Simulation on personal computer of dynamic system having nonlinear damping force. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 15, n. 4, p. 32–35, 1993. DOI: 10.15625/0866-7136/10217. Disponível em: https://vjmech.vast.vn/vjmech/article/view/10217. Acesso em: 8 nov. 2025.