共 50 条
- [27] A Direct Proof of the Steiner-Lehmus Theorem MATHEMATICAL INTELLIGENCER, 2021, 43 (04): : 2 - 2
- [28] A Simple Direct Proof of Marden's Theorem AMERICAN MATHEMATICAL MONTHLY, 2014, 121 (06): : 547 - 548
- [29] A Direct Proof of a Fundamental Theorem of Renewal Theory SKANDINAVISK AKTUARIETIDSKRIFT, 1953, 36 (3-4): : 139 - 150