| Thu, 11 Aug 2011 23:11:39 +0000 | urbanc | finished section about derivatives and closure properties | file | diff | annotate |
| Tue, 09 Aug 2011 22:15:11 +0000 | urbanc | more on paper | file | diff | annotate |
| Fri, 05 Aug 2011 05:34:11 +0000 | urbanc | more on the derivatives section | file | diff | annotate |