@article{ibri_2000,  title={Sobre a incerteza},  volume={23},  ISSN={0101-3173},  url={https://doi.org/10.1590/S0101-31732000000100005},  DOI={10.1590/S0101-31732000000100005},  number={1},  journal={Trans/Form/Ação},  publisher={Universidade Estadual Paulista, Departamento de Filosofia },  author={Ibri, Ivo Assad},  year={2000},  pages={97–104} }