- [[コンドルセ]] - [https://president.jp/articles/-/51168?page=4](https://president.jp/articles/-/51168?page=4) - [https://www2.math.upenn.edu/~kazdan/210/LectureNotes/CEU-Voting02.html](https://www2.math.upenn.edu/~kazdan/210/LectureNotes/CEU-Voting02.html)