User contributions
- 10:12, 3 September 2021 (diff | hist) . . (+212) . . Olympiad books (→Polynomials)
- 16:05, 1 June 2021 (diff | hist) . . (+407) . . Olympiad books (→Functional Equations)
- 16:02, 1 June 2021 (diff | hist) . . (+296) . . m Olympiad books (→Polynomials)