@inproceedings{chin-yuextremal,
title={Extremal metrics for the ${Q}^\prime$-curvature in three dimensions},
author={Chin-Yu Hsiao, Jeffrey Case, and Paul Yang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20180330000824722601002},
}

Chin-Yu Hsiao, Jeffrey Case, and Paul Yang. Extremal metrics for the ${Q}^\prime$-curvature in three dimensions. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20180330000824722601002.