@article{carvalho_2009,  title={O retorno de Keynes},  ISSN={0101-3300},  url={https://doi.org/10.1590/S0101-33002009000100006},  DOI={10.1590/S0101-33002009000100006},  number={83},  journal={Novos estudos CEBRAP},  publisher={Centro Brasileiro de Análise e Planejamento},  author={Carvalho, Fernando Cardim de},  year={2009},  month={Mar},  pages={91–101} }