This document contains a history of this page, from the current version to the earliest one available.
| Version | Name | User | Date | Time | |
| current | Open Problems | 213.194.204.73 | 7 November 2004 | 8:32 pm | |
| Open Problems | 213.194.204.73 | 7 November 2004 | 8:11 pm | ||
| Open Problems | 213.194.204.73 | 7 November 2004 | 1:12 am | ||
| Open Problems | 213.194.204.73 | 7 November 2004 | 1:08 am | ||
| Open Problems | 213.194.204.73 | 6 November 2004 | 5:47 pm | ||
| Open Problems | 213.194.204.73 | 6 November 2004 | 5:44 pm | ||