Jean-Yves Girard, Jacqueline Vauzeilles. Functors and Ordinal Notations. II: A Functorial Construction of the Bachmann Hierarchy. Journal of Symbolic Logic, 49(4):1079-1114, 1984.
@article{GirardV84a, title = {Functors and Ordinal Notations. II: A Functorial Construction of the Bachmann Hierarchy}, author = {Jean-Yves Girard and Jacqueline Vauzeilles}, year = {1984}, researchr = {https://researchr.org/publication/GirardV84a}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {49}, number = {4}, pages = {1079-1114}, }