KHANG, N. V.; SON, T. D. Simple resonance in nonlinear torsional vibration systems of three variable generalized masses. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 19, n. 2, p. 21–27, 1997. DOI: 10.15625/0866-7136/10051. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10051. Acesso em: 6 may. 2024.