숫자 12와 24
http://bomber0.myid.net/ (토론)님의 2008년 10월 18일 (토) 14:11 판
- Lattice Polygons and the Number 12
- Bjorn Poonen and Fernando Rodriguez-Villegas
- The American Mathematical Monthly, Vol. 107, No. 3 (Mar., 2000), pp. 238-250
- My Favorite Numbers : 5, 8, and 24
- John Baez
- The Rankin Lectures, University of Glasgow, September 15-19, 2008
- The Square Pyramid Puzzle
- W. S. Anglin
- The American Mathematical Monthly, Vol. 97, No. 2 (Feb., 1990), pp. 120-124