@inproceedings{anders1969valiron,
title={Valiron deficient values for meromorphic functions in the plane},
author={Anders Hyllengren},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203219067527086},
booktitle={Acta Mathematica},
volume={124},
number={1},
pages={1-8},
year={1969},
}
Anders Hyllengren. Valiron deficient values for meromorphic functions in the plane. 1969. Vol. 124. In Acta Mathematica. pp.1-8. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203219067527086.