@inproceedings{lars1988arne,
title={Arne Beurling in memoriam},
author={Lars Ahlfors, and Lennart Carleson},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203310509854417},
booktitle={Acta Mathematica},
volume={161},
number={1},
pages={1-9},
year={1988},
}