Mikdad, M. A. ., and A. . lbrahimbegovic. “Interpolation Non Lineaire Pour Un Element Fini De Poutre En Grandes Rotations Tri-Dimensionnelles”. European Journal of Computational Mechanics, vol. 4, no. 5-6, May 1995, pp. 693-18, https://journals.riverpublishers.com/index.php/EJCM/article/view/3549.