Jouko Väänänen. An Extension of a Theorem of Zermelo. Bulletin of Symbolic Logic, 25(2):208-212, 2019. [doi]
@article{Vaananen19, title = {An Extension of a Theorem of Zermelo}, author = {Jouko Väänänen}, year = {2019}, doi = {10.1017/bsl.2019.15}, url = {https://doi.org/10.1017/bsl.2019.15}, researchr = {https://researchr.org/publication/Vaananen19}, cites = {0}, citedby = {0}, journal = {Bulletin of Symbolic Logic}, volume = {25}, number = {2}, pages = {208-212}, }