@inproceedings{clifford1964teichmüller,
title={Teichmüller spaces of groups of the second kind},
author={Clifford J. Earle},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203204467194980},
booktitle={Acta Mathematica},
volume={112},
number={1},
pages={91-97},
year={1964},
}