Owing to the fact that a Living Reviews
article may evolve over
time, we recommend to cite the article as follows:
Jörg Frauendiener,
"Conformal Infinity",
Living Rev. Relativity 7, (2004), 1.
[Online article]: cited [<date>]
http://www.livingreviews.org/lrr-2004-1/
The date in 'cited [<date>]'
then uniquely identifies the version of the article you are
referring to.