Anton Freund. A note on ordinal exponentiation and derivatives of normal functions. Math. Log. Q., 66(3):326-335, 2020. [doi]
@article{Freund20-3,
title = {A note on ordinal exponentiation and derivatives of normal functions},
author = {Anton Freund},
year = {2020},
doi = {10.1002/malq.201900059},
url = {https://doi.org/10.1002/malq.201900059},
researchr = {https://researchr.org/publication/Freund20-3},
cites = {0},
citedby = {0},
journal = {Math. Log. Q.},
volume = {66},
number = {3},
pages = {326-335},
}