@inproceedings{j.1988bounded,
title={Bounded orthogonal systems and the Λ($p$)-set problem},
author={J. Bourgain},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203312366382430},
booktitle={Acta Mathematica},
volume={162},
number={1},
pages={227-245},
year={1988},
}