Dual mathematical models of limit load analysis problems of structures by mixed finite elements. Journal of Civil Engineering and Management, [S. l.], v. 3, n. 10, p. 43–51, 1997. DOI: 10.3846/13921525.1997.10531683. Disponível em: https://journals.vilniustech.lt/index.php/JCEM/article/view/9486. Acesso em: 9 may. 2025.