BibTeX: 
@article{MultirelationsAFP,
author = {Hitoshi Furusawa and Georg Struth},
title = {Binary Multirelations},
journal = {Archive of Formal Proofs},
month = jun,
year = 2015,
note = {\url{http://isaafp.org/entries/Multirelations.html},
Formal proof development},
ISSN = {2150914x},
}
