Timeline for Proofs for doubly ruled surfaces
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 17, 2013 at 14:19 | vote | accept | Adam Sheffer | ||
| Jan 17, 2013 at 14:19 | |||||
| Oct 13, 2012 at 15:51 | history | answered | Ian Agol | CC BY-SA 3.0 |