DINH, N. V. Stability of the critical stationary oscillations. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 19, n. 2, p. 15–20, 1997. DOI: 10.15625/0866-7136/10050. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10050. Acesso em: 19 apr. 2024.