@article{hajlaoui_triki_frikha_wali_dammak_2017,  title={Nonlinear Dynamics Analysis of FGM Shell Structures with a Higher Order Shear Strain Enhanced Solid-Shell Element},  volume={14},  ISSN={1679-7825},  url={https://doi.org/10.1590/1679-78253323},  DOI={10.1590/1679-78253323},  number={1},  journal={Latin American Journal of Solids and Structures},  publisher={Individual owner},  author={Hajlaoui, A. and Triki, E. and Frikha, A. and Wali, M. and Dammak, F.},  year={2017},  month={Jan},  pages={72–91} }