Peyraut, F. ., and N. Labed. “Condition De préservation De l’orientation: Application En hyperélasticité Compressible”. European Journal of Computational Mechanics, vol. 12, no. 1, Apr. 2003, pp. 99-116, https://journals.riverpublishers.com/index.php/EJCM/article/view/2515.