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Work partially supported by the National Science Foundation under grant number DMS-82-01045 and DMS-85-03758.
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Morgan, J.W., Otal, JP. Relative growth rates of closed geodesics on a surface under varying hyperbolic structures. Commentarii Mathematici Helvetici 68, 171–208 (1993). https://doi.org/10.1007/BF02565815
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DOI: https://doi.org/10.1007/BF02565815