@inproceedings{hisayosi1987whittaker,
title={Whittaker vectors and the Goodman-Wallach operators},
author={Hisayosi Matumoto},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203311408388423},
booktitle={Acta Mathematica},
volume={161},
number={1},
pages={183-241},
year={1987},
}