BibTeX: 
@article{HermiteAFP,
author = {Jose Divasón and Jesús Aransay},
title = {Hermite Normal Form},
journal = {Archive of Formal Proofs},
month = jul,
year = 2015,
note = {\url{https://isaafp.org/entries/Hermite.html},
Formal proof development},
ISSN = {2150914x},
}
