@inbook{+2009+19+32,
url = {https://doi.org/10.1515/9781400831975.19},
title = {Chapter 2. The Arithmetic Graph},
booktitle = {Outer Billiards on Kites},
publisher = {Princeton University Press},
address = {Princeton},
pages = {19--32},
doi = {doi:10.1515/9781400831975.19},
isbn = {9781400831975},
year = {2009},
lastchecked = {2026-05-04}
}