WINNICKI, I.; KLEIBER, M.; KWIECIŃSKI, M. Finite Element Analysis of Elastic-plastic Plane Stress Problem. Engineering Transactions, [S. l.], v. 23, n. 4, p. 609–624, 1975. Disponível em: https://et.ippt.pan.pl/index.php/et/article/view/2381. Acesso em: 24 jul. 2025.