Derivation of the normality rule for time-dependent deformation using the principle of maximal rate of entropy production. Archives of Mechanics, [S. l.], v. 55, n. 5-6, p. 501–518, 2003. Disponível em: https://am3.ippt.pan.pl/index.php/am/article/view/v55p501. Acesso em: 13 may. 2025.