@inproceedings{roe1978singular,
title={Singular integral operators on nilpotent Lie groups},
author={Roe Goodman},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203507300677324},
booktitle={Arkiv for Matematik},
volume={18},
number={1},
pages={1-11},
year={1978},
}