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2 0 referencing polynomial variables ( 2013-06-13 17:16:51 +0200 )
2 0 Skew commuting variables ( 2012-11-08 12:39:13 +0200 )
10 0 Skew commuting variables ( 2012-11-08 07:01:08 +0200 )
Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.