BibTeX: 
@article{IncompletenessAFP,
author = {Lawrence C. Paulson},
title = {Gödel's Incompleteness Theorems},
journal = {Archive of Formal Proofs},
month = nov,
year = 2013,
note = {\url{https://isaafp.org/entries/Incompleteness.html},
Formal proof development},
ISSN = {2150914x},
}
