Anton Freund. Computable aspects of the Bachmann-Howard principle. J. Mathematical Logic, 20(2), 2020. [doi]
@article{Freund20-2, title = {Computable aspects of the Bachmann-Howard principle}, author = {Anton Freund}, year = {2020}, doi = {10.1142/S0219061320500063}, url = {https://doi.org/10.1142/S0219061320500063}, researchr = {https://researchr.org/publication/Freund20-2}, cites = {0}, citedby = {0}, journal = {J. Mathematical Logic}, volume = {20}, number = {2}, }