VALLÉE, C.; LERINTIU, C.; FORTUNÉ, D.; ATCHONOUGLO, K.; BAN, M. Representing a non-associated constitutive law by a bipotential issued from a Fitzpatrick sequence. Archives of Mechanics, Warsaw, Poland, v. 61, n. 3-4, p. 325–340, 2009. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v61p325. Acesso em: 7 feb. 2026.