@article{cardoso_2010,  title={Lacan e Frege: sobre o conceito de Um},  volume={21},  ISSN={0103-6564},  url={https://doi.org/10.1590/S0103-65642010000100007},  DOI={10.1590/S0103-65642010000100007},  number={1},  journal={Psicologia USP},  publisher={Instituto de Psicologia da Universidade de São Paulo},  author={Cardoso, Maurício José d’Escragnolle},  year={2010},  month={Jan},  pages={127–144} }