藤村の三角形問題 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "藤村の三角形問題" in Japanese language version.

refsWebsite

Global rank Japanese rank

2^nd place

6^th place

513^th place

882^nd place

2,224^th place

8,746^th place

1mathpuzzle.com

low place

low place

1johannesbader.ch

low place

low place

doi.org

Forge, D.; Ramírez Alfonsín, J. L. (1998), “Straight line arrangements in the real projective plane”, Discrete and Computational Geometry 20 (2): 155–161, doi:10.1007/PL00009373 .

ethz.ch

tik.ee.ethz.ch

G. Clément and J. Bader. Tighter Upper Bound for the Number of Kobon Triangles. Draft Version, 2007.

johannesbader.ch

"Matlab code illustrating the procedure of D. Forge and J. L. Ramirez Alfonsin", Retrieved on 9 May 2012.

mathpuzzle.com

Ed Pegg Jr. on Math Games

wolfram.com

mathworld.wolfram.com

Weisstein, Eric W. "Kobon Triangle". mathworld.wolfram.com (英語).