KOLLMANN, F.G.; SANSOUR, C. Viscoplastic shells. Theory and numerical analysis. Archives of Mechanics, Warsaw, Poland, v. 49, n. 3, p. 477–511, 1997. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v49p477. Acesso em: 17 jan. 2026.