MathSciDoc: An Archive for Mathematician ∫

@inproceedings{feng1999some,
  title={Some applications of a multiplicative structure on simple loops in surfaces},
  author={Feng Luo},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224205906477837366},
  booktitle={arXiv preprint math/9907059},
  year={1999},
}