User contributions
- 18:59, 18 September 2012 (diff | hist) . . (+4) . . Chebyshev theta function
- 18:58, 18 September 2012 (diff | hist) . . (0) . . Chebyshev theta function
- 18:56, 18 September 2012 (diff | hist) . . (-1) . . Chebyshev theta function