BibTeX: 
@article{GreenAFP,
author = {Mohammad Abdulaziz and Lawrence C. Paulson},
title = {An Isabelle/HOL formalisation of Green's Theorem},
journal = {Archive of Formal Proofs},
month = jan,
year = 2018,
note = {\url{http://isaafp.org/entries/Green.html},
Formal proof development},
ISSN = {2150914x},
}
