@inproceedings{michael2005a,
title={A Wiener–Wintner theorem for the Hilbert transform},
author={Michael Lacey, and Erin Terwilleger},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203623551380945},
booktitle={Arkiv for Matematik},
volume={46},
number={2},
pages={315-336},
year={2005},
}

Michael Lacey, and Erin Terwilleger. A Wiener–Wintner theorem for the Hilbert transform. 2005. Vol. 46. In Arkiv for Matematik. pp.315-336. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203623551380945.