Vallée, C., C. Lerintiu, D. Fortuné, K. Atchonouglo, and M. Ban. “Representing a Non-Associated Constitutive Law by a Bipotential Issued from a Fitzpatrick Sequence”. Archives of Mechanics 61, no. 3-4 (May 1, 2009): 325–340. Accessed January 17, 2026. http://am.ippt.gov.pl/index.php/am/article/view/v61p325.