@inproceedings{bernard1972decomposition,
title={Decomposition of certain Kleinian groups},
author={Bernard Maskit},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203227956411147},
booktitle={Acta Mathematica},
volume={130},
number={1},
pages={243-263},
year={1972},
}