@inproceedings{lai2009on,
title={On potentially $K_{r+1}-U$-graphical Sequences},
author={Lai Chunhui, and Yan Guiying},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20240212155833880918767},
booktitle={Utilitas Mathematica},
volume={80},
pages={233-244},
year={2009},
}

Lai Chunhui, and Yan Guiying. On potentially $K_{r+1}-U$-graphical Sequences. 2009. Vol. 80. In Utilitas Mathematica. pp.233-244. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20240212155833880918767.