@inproceedings{thomas2021on,
title={On ribbon categories for singlet vertex algebras},
author={Thomas Creutzig, Robert McRae, and Jinwei Yang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220415172804126105054},
booktitle={Communications in Mathematical Physics},
volume={387},
number={2},
pages={865-925},
year={2021},
}

Thomas Creutzig, Robert McRae, and Jinwei Yang. On ribbon categories for singlet vertex algebras. 2021. Vol. 387. In Communications in Mathematical Physics. pp.865-925. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220415172804126105054.