Plat comme l'Univers
Alejandro Gangui and Laurent Verstraete, Journal "Pour la Science", pages 17-20, June 2000.
Click here ,
(old link) for the article at the journal site, or
here to download the PDF file.
Thanks to Wayne Hu for the figures.
Thanks also to "Pour la Science" for permission to post our ©'ed article here. -A.G.