@article{cardoso_1982,  title={As classes capitalistas nas sociedades contemporâneas (notas preliminares)},  volume={2},  ISSN={0101-3157},  url={https://doi.org/10.1590/0101-31571982-1005},  DOI={10.1590/0101-31571982-1005},  number={1},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={CARDOSO, F. H.},  year={1982},  month={Jan},  pages={3–26} }