ANH, N. D.; HAI, N. Q. An approximate method for analysing non-linear systems subject to random excitation. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 22, n. 1, p. 1–10, 2000. DOI: 10.15625/0866-7136/9957. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/9957. Acesso em: 27 apr. 2024.