@inproceedings{john2009counting,
title={COUNTING NODAL LINES WHICH TOUCH THE BOUNDARY OF AN ANALYTIC DOMAIN},
author={John A. Toth, and Steve Zelditch},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160911181619331158767},
booktitle={Journal of Differential Geometry},
volume={81},
number={3},
pages={649-686},
year={2009},
}

John A. Toth, and Steve Zelditch. COUNTING NODAL LINES WHICH TOUCH THE BOUNDARY OF AN ANALYTIC DOMAIN. 2009. Vol. 81. In Journal of Differential Geometry. pp.649-686. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160911181619331158767.