KIEN, N. D. A non-linear element for analysing elastic frame structures at large deflections. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 22, n. 1, p. 19–28, 2000. DOI: 10.15625/0866-7136/9959. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/9959. Acesso em: 27 apr. 2024.