@article{martinez_martinez_bressan_souza_stiegelmeier_2021,  title={Multiple Solutions for a Sixth Order Boundary Value Problem},  volume={22},  ISSN={2676-0029},  url={https://doi.org/10.5540/tcam.2021.022.01.00001},  DOI={10.5540/tcam.2021.022.01.00001},  number={1},  journal={Trends in Computational and Applied Mathematics},  publisher={Sociedade Brasileira de Matemática Aplicada e Computacional - SBMAC},  author={MARTINEZ, A. L. M. and MARTINEZ, C. A. PENDEZA and BRESSAN, G. M. and SOUZA, R. MOLINA and STIEGELMEIER, E. W.},  year={2021},  month={Jan},  pages={2–12} }