HIEN, T. D. Elasto - plastic analysis of anisotropic hardening materials by finite element method. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 7, n. 1, p. 8–13, 1985. DOI: 10.15625/0866-7136/10379. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10379. Acesso em: 29 mar. 2024.