@inproceedings{conan2001harmonic,
title={Harmonic maps and the topology of conformally compact Einstein manifolds},
author={Conan Leung, and Tom Wan},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160831143539624221578},
booktitle={MRL},
volume={8},
pages={801-812},
year={2001},
}
Conan Leung, and Tom Wan. Harmonic maps and the topology of conformally compact Einstein manifolds. 2001. Vol. 8. In MRL. pp.801-812. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160831143539624221578.