@inproceedings{åke1952johannes,
title={Johannes Malmquist in memoriam},
author={Åke Pleijel},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203135367165760},
booktitle={Acta Mathematica},
volume={88},
number={1},
pages={ix-xii},
year={1952},
}