@article{felix_2023,  title={Tribute to Ignacy Sachs (1927-2023)},  volume={43},  ISSN={0101-3157},  url={https://doi.org/10.1590/0101-31572023-3625},  DOI={10.1590/0101-31572023-3625},  number={4},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={FELIX, JORGE},  year={2023},  month={Oct},  pages={773–776} }