@inproceedings{jang2017equivariant,
title={Equivariant L2-Euler characteristics of G-CW-complexes},
author={Jang Hyun Jo},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20180301170010570429948},
booktitle={Arkiv for Matematik},
volume={55},
year={2017},
}

Jang Hyun Jo. Equivariant L2-Euler characteristics of G-CW-complexes. 2017. Vol. 55. In Arkiv for Matematik. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20180301170010570429948.