@article{galeriu_2025,  title={Special conformal transformations in electrodynamics: mathematical foundations},  volume={47},  ISSN={1806-1117},  url={https://doi.org/10.1590/1806-9126-RBEF-2024-0396},  DOI={10.1590/1806-9126-RBEF-2024-0396},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Galeriu, Călin},  year={2025},  pages={e20240396} }