@inbook{Richeson+2019+173+185,
url = {https://doi.org/10.1515/9780691191997-020},
title = {Chapter 17. Are They the Same, or Are They Different?},
booktitle = {Euler's Gem},
booktitle = {The Polyhedron Formula and the Birth of Topology},
author = {David S. Richeson},
publisher = {Princeton University Press},
address = {Princeton},
pages = {173--185},
doi = {doi:10.1515/9780691191997-020},
isbn = {9780691191997},
year = {2019},
lastchecked = {2026-05-10}
}