References
Fenchel W. andNielsen, J.,Discontinuous groups of non-Euclidean motions, unpublished manuscript.
Wolpert, S.,The Fenchel-Nielsen twist deformation, preprint.
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Partially supported by NSF Grant #78-03838
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Wolpert, S. An elementary formula for the Fenchel-Nielsen twist. Commentarii Mathematici Helvetici 56, 132–135 (1981). https://doi.org/10.1007/BF02566203
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DOI: https://doi.org/10.1007/BF02566203