@inproceedings{sakari1970some,
title={Some remarks on the value distribution of meromorphic functions},
author={Sakari Toppila},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203445762902141},
booktitle={Arkiv for Matematik},
volume={9},
number={1},
pages={1-9},
year={1970},
}