@article{jafari_chaleshtari_2017,  title={Optimum Design of Effective Parameters for Orthotropic Plates with Polygonal Cut-Out},  volume={14},  ISSN={1679-7825},  url={https://doi.org/10.1590/1679-78253437},  DOI={10.1590/1679-78253437},  number={5},  journal={Latin American Journal of Solids and Structures},  publisher={Individual owner},  author={Jafari, Mohammad and Chaleshtari, Mohammad Hossein Bayati},  year={2017},  month={Jun},  pages={906–929} }