極円 (幾何学) (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "極円 (幾何学)" in Japanese language version.

refsWebsite

Global rank Japanese rank

513^th place

882^nd place

6^th place

146^th place

1hathitrust.org

441^st place

3,077^th place

archive.org

John Alexander Third (1898) (English). Modern Geometry of the Point, Straight Line, and Circle: An Elementary Treatise. Harvard University. Blackwood

hathitrust.org

babel.hathitrust.org

『Modern geometry; an elementary treatise on the geometry of the triangle and the circle,』Houghton Mifflin Harcourt、1929年、176-181頁。

wolfram.com

mathworld.wolfram.com

Weisstein, Eric W. "Polar Circle". mathworld.wolfram.com (英語).