@inproceedings{david1983proof,
title={Proof of a conjecture of F. Nevanlinna concerning functions which have deficiency sum two},
author={David Drasin},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203307653671395},
booktitle={Acta Mathematica},
volume={158},
number={1},
pages={1-94},
year={1983},
}
David Drasin. Proof of a conjecture of F. Nevanlinna concerning functions which have deficiency sum two. 1983. Vol. 158. In Acta Mathematica. pp.1-94. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203307653671395.