@inproceedings{liping2017homological,
title={Homological degrees of representations of categories with shift functors},
author={Liping Li},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170222105803852457502},
booktitle={to appear in Trans. Amer. Math. Soc.},
year={2017},
}

Liping Li. Homological degrees of representations of categories with shift functors. 2017. In to appear in Trans. Amer. Math. Soc.. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170222105803852457502.