@article{banchio_godoy_2001,  title={A new approach to evaluate imperfection sensitivity in asymmetric bifurcation buckling analysis},  volume={23},  ISSN={0100-7386},  url={https://doi.org/10.1590/S0100-73862001000100003},  DOI={10.1590/S0100-73862001000100003},  number={1},  journal={Journal of the Brazilian Society of Mechanical Sciences},  publisher={The Brazilian Society of Mechanical Sciences},  author={Banchio, Enrique G. and Godoy, Luis A.},  year={2001},  pages={23–40} }