@article{lemos_2020,  title={Generalization of the least uncomfortable journey problem},  volume={42},  ISSN={1806-1117},  url={https://doi.org/10.1590/1806-9126-RBEF-2020-0093},  DOI={10.1590/1806-9126-RBEF-2020-0093},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Lemos, Nivaldo A.},  year={2020},  pages={e20200093} }