@inproceedings{william1974on,
title={On boundaries of teichmüller spaces and on kleinian groups, III},
author={William Abikoff},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203235734745186},
booktitle={Acta Mathematica},
volume={134},
number={1},
pages={211-237},
year={1974},
}
William Abikoff. On boundaries of teichmüller spaces and on kleinian groups, III. 1974. Vol. 134. In Acta Mathematica. pp.211-237. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203235734745186.