Dick De Jongh, Zhiguang Zhao. Positive Formulas in Intuitionistic and Minimal Logic. In Martin Aher, Daniel Hole, Emil Jerábek, Clemens Kupke, editors, Logic, Language, and Computation - 10th International Tbilisi Symposium on Logic, Language, and Computation, TbiLLC 2013, Gudauri, Georgia, September 23-27, 2013. Revised Selected Papers. Volume 8984 of Lecture Notes in Computer Science, pages 175-189, Springer, 2013. [doi]
@inproceedings{JonghZ13, title = {Positive Formulas in Intuitionistic and Minimal Logic}, author = {Dick De Jongh and Zhiguang Zhao}, year = {2013}, doi = {10.1007/978-3-662-46906-4_11}, url = {http://dx.doi.org/10.1007/978-3-662-46906-4_11}, researchr = {https://researchr.org/publication/JonghZ13}, cites = {0}, citedby = {0}, pages = {175-189}, booktitle = {Logic, Language, and Computation - 10th International Tbilisi Symposium on Logic, Language, and Computation, TbiLLC 2013, Gudauri, Georgia, September 23-27, 2013. Revised Selected Papers}, editor = {Martin Aher and Daniel Hole and Emil Jerábek and Clemens Kupke}, volume = {8984}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {978-3-662-46905-7}, }