Representing a non-associated constitutive law by a bipotential issued from a Fitzpatrick sequence. Archives of Mechanics - Test, [S. l.], v. 61, n. 3-4, p. 325–340, 2009. Disponível em: https://am3.ippt.pan.pl/index.php/am/article/view/v61p325. Acesso em: 28 jun. 2025.