KHANG, Nguyen Van; CAU, Thai Manh. Calculating periodic vibrations of nonlinear autonomous multi-degree-of-freedom systems by the incremental harmonic balance method. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 26, n. 3, p. 157–166, 2004. DOI: 10.15625/0866-7136/26/3/5700. Disponível em: https://vjmech.vast.vn/vjmech/article/view/5700. Acesso em: 8 nov. 2025.