* "Necessary and Sufficient Conditions for McShane's Identity and Variations" Ser Peow Tan, Yan Loi Wong, and Ying Zhang eprint arXiv:math/0411184 math/0411184v2* McShane, G. Simple geodesics and a series constant over Teichmuller space.
==References==*"Necessary and Sufficient Conditions for McShane's Identity and Variations" Ser Peow Tan, Yan Loi Wong, and Ying Zhang eprint arXiv:math/0411184 [http://arxiv.org/abs/math/0411184v2]*McShane, G. Simple geodesics and a series constant over Teichmuller space.