Toshiyasu Arai. Proof-Theoretic strengths of Weak Theories for positive Inductive Definitions. Journal of Symbolic Logic, 83(3):1091-1111, 2018. [doi]
@article{Arai18-0, title = {Proof-Theoretic strengths of Weak Theories for positive Inductive Definitions}, author = {Toshiyasu Arai}, year = {2018}, doi = {10.1017/jsl.2018.36}, url = {https://doi.org/10.1017/jsl.2018.36}, researchr = {https://researchr.org/publication/Arai18-0}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {83}, number = {3}, pages = {1091-1111}, }