GAWĘCKI, A. On an Elastic-Plastic Beam with the Rotation Constraint at the Support. Engineering Transactions, [S. l.], v. 33, n. 4, p. 423–443, 1985. Disponível em: http://et.ippt.gov.pl/index.php/et/article/view/1863. Acesso em: 17 jan. 2026.