Timeline for About a solid which satisfies $\sum_{i=1}^{n}x_i=0, |x_i|\le1\ (i=1,2,\cdots,n)$
Current License: CC BY-SA 3.0
1 event
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 15, 2013 at 16:07 | history | answered | Vladimir Dotsenko | CC BY-SA 3.0 |