BibTeX: 
@article{Smith_Normal_FormAFP,
author = {Jose Divasón},
title = {A verified algorithm for computing the Smith normal form of a matrix},
journal = {Archive of Formal Proofs},
month = may,
year = 2020,
note = {\url{http://isaafp.org/entries/Smith_Normal_Form.html},
Formal proof development},
ISSN = {2150914x},
}
