@inproceedings{yueke2016cuspidal,
title={Cuspidal part of an Eisenstein series restricted to an index 2 subfield},
author={Yueke Hu},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220626173409300224480},
booktitle={Research in Number Theory},
volume={2},
number={33},
year={2016},
}

Yueke Hu. Cuspidal part of an Eisenstein series restricted to an index 2 subfield. 2016. Vol. 2. In Research in Number Theory. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220626173409300224480.