DAO, Nguyen Van. Nonlinear vibration of a pendulum with a support in harmonic motion. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 29, n. 3, p. 177–185, 2007. DOI: 10.15625/0866-7136/29/3/5530. Disponível em: https://vjs.ac.vn/vjmech/article/view/5530. Acesso em: 6 dec. 2025.