HUNG, N. D.; LONG, H. V. Automatic limit and shakedown analysis of 3-D steel frames. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 29, n. 3, p. 337–351, 2007. DOI: 10.15625/0866-7136/29/3/5544. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/5544. Acesso em: 3 may. 2024.