BibTeX: 
@article{Jacobson_Basic_AlgebraAFP,
author = {Clemens Ballarin},
title = {A Case Study in Basic Algebra},
journal = {Archive of Formal Proofs},
month = aug,
year = 2019,
note = {\url{https://isaafp.org/entries/Jacobson_Basic_Algebra.html},
Formal proof development},
ISSN = {2150914x},
}
