@article{villamizar_russell_2018,  title={Comparing the Schrödinger and Dirac Descriptions of an Electron in a Uniform Magnetic Field},  volume={40},  ISSN={1806-1117},  url={https://doi.org/10.1590/1806-9126-RBEF-2018-0035},  DOI={10.1590/1806-9126-RBEF-2018-0035},  number={4},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Villamizar, David Velasco and Russell, Benjamin},  year={2018},  pages={e5404} }