RYCHLEWSKI, J. A qualitative approach to Hooke’s tensors. Part I. Archives of Mechanics, Warsaw, Poland, v. 52, n. 4-5, p. 737–759, 2000. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v52p737. Acesso em: 17 jan. 2026.