@inproceedings{arne1949on,
title={On the spectral synthesis of bounded functions},
author={Arne Beurling},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203125590226688},
booktitle={Acta Mathematica},
volume={81},
number={1},
pages={225-238},
year={1949},
}