Citing this Article |
Owing to the fact that a Living Reviews article may evolve over time, we recommend to cite the article as follows: Nicolas Chamel
and Pawel Haensel
,
The date given as <date> then uniquely identifies the version of the article
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http://www.livingreviews.org/lrr-2008-10 | ![]() This work is licensed under a Creative Commons License. Problems/comments to |