@inproceedings{boris1975a,
title={A Beurling-type theorem},
author={Boris Korenblum},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203242737026221},
booktitle={Acta Mathematica},
volume={138},
number={1},
pages={265-293},
year={1975},
}