@inproceedings{junyi2015intersection,
title={Intersection of valuation rings in k[x, y]},
author={Junyi Xie},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20190821182052417518433},
booktitle={Proc. London Math. Soc. },
year={2015},
}

Junyi Xie. Intersection of valuation rings in k[x, y]. 2015. In Proc. London Math. Soc. . http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20190821182052417518433.