E. Pimentel.
" Proof systems for Geometric theories (PROGEO)", in <em>Proceedings of the 1st Brazilian Workshop of Logic</em>, Evento Online, 2020, pp. 57-64, doi: <a href="https://doi.org/10.5753/wbl.2020.11459">https://doi.org/10.5753/wbl.2020.11459</a>.