@article{de castro_2023,  title={Solution for the simple harmonic oscillator problem via unilateral Fourier transform},  volume={45},  ISSN={1806-1117},  url={https://doi.org/10.1590/1806-9126-RBEF-2022-0318},  DOI={10.1590/1806-9126-RBEF-2022-0318},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={de Castro, Antonio S.},  year={2023},  pages={e20220318} }