@inproceedings{leif1976on,
title={On the computability of conjugate powers in finitely generated Fuchsian groups},
author={Leif Larsen},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203243898854229},
booktitle={Acta Mathematica},
volume={139},
number={1},
pages={267-291},
year={1976},
}
Leif Larsen. On the computability of conjugate powers in finitely generated Fuchsian groups. 1976. Vol. 139. In Acta Mathematica. pp.267-291. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203243898854229.