@inproceedings{ngai-ching2006disjointness,
title={DISJOINTNESS PRESERVING LINEAR OPERATORS OF WIENER RING},
author={Ngai-Ching Wong, and NGAI-CHING WONG},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020213902654279306},
year={2006},
}