Gieseking's constant
http://bomber0.myid.net/ (토론)님의 2010년 7월 17일 (토) 14:01 판 (피타고라스님이 이 페이지의 위치를 <a href="/pages/5450997">three-manifolds and their invariants</a>페이지로 이동하였습니다.)
http://mathworld.wolfram.com/GiesekingsConstant.html
http://www.research.att.com/~njas/sequences/A143298
http://www.wolframalpha.com/input/?i=Gieseking's+constant.
http://www.wolframalpha.com/input/?i=sqrt(3)*(trigamma(1/3)-trigamma(2/3))/12
The Newest Inductee in the Number Hall of Fame
- Colin C. Adams, Mathematics Magazine, Vol. 71, No. 5 (Dec., 1998), pp. 341-349