@article{castro_souza_1988,  title={O saldo e a dívida},  volume={8},  ISSN={0101-3157},  url={https://doi.org/10.1590/0101-31571988-2093},  DOI={10.1590/0101-31571988-2093},  number={2},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={CASTRO, ANTÔNIO BARROS DE and SOUZA, FRANCISCO EDUARDO PIRES DE},  year={1988},  month={Apr},  pages={270–285} }