Saito, Hiroshi, Introducing "3 circumcenter method", 2016-12-11 [2021-01-02], (原始内容存档于2016-12-20) (英语) - English translation of the article from Gendaisūgaku (現代数学).
Saito, Hiroshi, Introducing "3 circumcenter method", 2016-12-11 [2021-01-02], (原始内容存档于2016-12-20) (英语) - English translation of the article from Gendaisūgaku (現代数学).