@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}, }