Fri, 19 Aug 2011 20:39:07 +0000 urbanc two more literature
Fri, 19 Aug 2011 06:57:57 +0000 urbanc added comments by Xingyuan
Wed, 17 Aug 2011 17:36:19 +0000 urbanc added an example for non-regularity and continuation lemma (the example does not yet work)
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