BibTeX: 
@article{Roth_Arithmetic_ProgressionsAFP,
author = {Chelsea Edmonds and Angeliki KoutsoukouArgyraki and Lawrence C. Paulson},
title = {Roth's Theorem on Arithmetic Progressions},
journal = {Archive of Formal Proofs},
month = dec,
year = 2021,
note = {\url{https://isaafp.org/entries/Roth_Arithmetic_Progressions.html},
Formal proof development},
ISSN = {2150914x},
}
