Faye, J.-P. ., and M. . Touratier. “Un Nouvel Element Fini De Coque Axisymetrique Semi-Epaisse”. European Journal of Computational Mechanics, vol. 2, no. 3, Mar. 1993, pp. 287-18, https://journals.riverpublishers.com/index.php/EJCM/article/view/3655.