KHANG, Nguyen Van; HUONG, Nguyen Thi Van; QUYEN, Nguyen Van; CHUNG, Pham Thanh. About the nonlinear vibration equation of the beam. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 45, n. 3, p. 197–215, 2023. DOI: 10.15625/0866-7136/18189. Disponível em: https://vjmech.vast.vn/vjmech/article/view/18189. Acesso em: 8 nov. 2025.