W. Domański and R. Ogden, “On the null condition for nonlinearly elastic solids”, Arch. Mech., vol. 58, no. 4-5, pp. 339–361, Sep. 2006, Accessed: Jan. 23, 2026. [Online]. Available: https://am.ippt.pan.pl/index.php/am/article/view/v58p339