@inproceedings{elliott2012proof,
title={Proof of an entropy conjecture for Bloch coherent spin states and its generalizations},
author={Elliott H. Lieb, and Jan Philip Solovej},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203402949851789},
booktitle={Acta Mathematica},
volume={212},
number={2},
pages={379-398},
year={2012},
}

Elliott H. Lieb, and Jan Philip Solovej. Proof of an entropy conjecture for Bloch coherent spin states and its generalizations. 2012. Vol. 212. In Acta Mathematica. pp.379-398. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203402949851789.