KALANTA, Stanislovas. The problems of limit load analysis and optimization using equilibrium finite elements. Journal of Civil Engineering and Management, [S. l.], v. 2, n. 7, p. 13–23, 1996. DOI: 10.3846/13921525.1996.10531650. Disponível em: https://journals.vilniustech.lt/index.php/JCEM/article/view/9522. Acesso em: 1 jul. 2025.