DAO, Nguyen Van. Self- excited oscillation under the influence of non - linear frictions. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 4, n. 3, p. 7–10, 1982. DOI: 10.15625/0866-7136/10461. Disponível em: https://vjmech.vast.vn/vjmech/article/view/10461. Acesso em: 9 nov. 2025.