Kraus, Markus, and Paul Steinmann. “Finite Element Formulations for 3D Convex Polyhedra in Nonlinear Continuum Mechanics”. Computer Assisted Methods in Engineering and Science 19, no. 2 (January 25, 2017): 121–134. Accessed January 12, 2025. https://cames3.ippt.pan.pl/index.php/cames/article/view/96.