@article{carvalho_2004,  title={Summary talk: quantum field theory},  volume={34},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332004000200014},  DOI={10.1590/S0103-97332004000200014},  number={1a},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Carvalho, C. A. A. de},  year={2004},  month={Mar},  pages={224–225} }