@inproceedings{david1968normal,
title={Normal families and the Nevanlinna theory},
author={David Drasin},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203216983885073},
booktitle={Acta Mathematica},
volume={122},
number={1},
pages={231-263},
year={1968},
}