Matthias Baaz, Rosalie Iemhoff. Gentzen Calculi for the Existence Predicate. Studia Logica, 82(1):7-23, 2006. [doi]
@article{BaazI06:0, title = {Gentzen Calculi for the Existence Predicate}, author = {Matthias Baaz and Rosalie Iemhoff}, year = {2006}, doi = {10.1007/s11225-006-6603-6}, url = {http://dx.doi.org/10.1007/s11225-006-6603-6}, researchr = {https://researchr.org/publication/BaazI06%3A0}, cites = {0}, citedby = {0}, journal = {Studia Logica}, volume = {82}, number = {1}, pages = {7-23}, }