@inproceedings{cheol-hyun2012chern-weil, title={Chern-Weil Maslov index and its orbifold analogue}, author={Cheol-Hyun Cho, and Hyung-Seok Shin}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221113136126459801}, booktitle={arXiv preprint arXiv:1202.0556}, year={2012}, }