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This article is within the scope of WikiProject Mathematics, a collaborative effort to improve the coverage of mathematics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.MathematicsWikipedia:WikiProject MathematicsTemplate:WikiProject Mathematicsmathematics articles
This article could do with some cleaning. The style of the article is better suited to a lecture than to an encyclopaedia article. Furthermore, many terms are linked more than once. when I have time, I will correct as many of these as I can find. Chrislaing (talk) 02:13, 26 October 2011 (UTC)[reply]