@inproceedings{gary1979oscillating,
title={Oscillating kernels that map$H$^{1}into$L$^{1}},
author={Gary Sampson},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203508311844333},
booktitle={Arkiv for Matematik},
volume={18},
number={1},
pages={125-144},
year={1979},
}