ANH, V. Q.; HIEN, N. M. Geometric nonlinear vibration analysis of steel frames with semi-rigid connections and rigid-zones. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 25, n. 2, p. 122–128, 2003. DOI: 10.15625/0866-7136/25/2/6584. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/6584. Acesso em: 24 apr. 2024.