Boutagouga, D. ., Gouasmia, A. ., & Djeghaba, K. (2010). Geometrically nonlinear analysis of thin shell by a quadrilateral finite element with in-plane rotational degrees of freedom. European Journal of Computational Mechanics, 19(8), 707–724. https://doi.org/10.13052/EJCM.19.707-724