BibTeX: 
@article{PseudoHoopsAFP,
author = {George Georgescu and Laurentiu Leustean and Viorel Preoteasa},
title = {Pseudo Hoops},
journal = {Archive of Formal Proofs},
month = sep,
year = 2011,
note = {\url{http://isaafp.org/entries/PseudoHoops.html},
Formal proof development},
ISSN = {2150914x},
}
