@inproceedings{lai2004the,
title={The smallest degree sum that yields potentially $C_k$ -graphical sequences},
author={Lai Chunhui},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20240210105218779870764},
booktitle={J. Combin. Math. Combin. Comput. },
volume={49},
pages={57–64. },
year={2004},
}

Lai Chunhui. The smallest degree sum that yields potentially $C_k$ -graphical sequences. 2004. Vol. 49. In J. Combin. Math. Combin. Comput. . pp.57–64. . http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20240210105218779870764.