@article{dias_2017,  title={Leonhard Euler's “principle of mechanics” (an essay on the foundations of the equations of motion)},  volume={39},  ISSN={1806-1117},  url={https://doi.org/10.1590/1806-9126-RBEF-2017-0057},  DOI={10.1590/1806-9126-RBEF-2017-0057},  number={4},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Dias, Penha Maria Cardozo},  year={2017},  pages={e4601} }