BibTeX: 
@article{Knights_TourAFP,
author = {Lukas Koller},
title = {Knight's Tour Revisited Revisited},
journal = {Archive of Formal Proofs},
month = jan,
year = 2022,
note = {\url{https://isaafp.org/entries/Knights_Tour.html},
Formal proof development},
ISSN = {2150914x},
}
