@article{laranjeiras_silva_chiappin_2017,  title={The heuristics of representation in science: the mechanisms and mathematical principles in physics of Descartes and Fermat},  volume={39},  ISSN={1806-1117},  url={https://doi.org/10.1590/1806-9126-RBEF-2017-0025},  DOI={10.1590/1806-9126-RBEF-2017-0025},  number={4},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Laranjeiras, Cássio C. and Silva, Jojomar L. da and Chiappin, J.R.N.},  year={2017},  pages={e4602} }