@inproceedings{pavel2014spectral,
title={Spectral asymptotics of a strong interaction supported by a surface},
author={Pavel Exner, and Michal Jex},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020132959324182726},
booktitle={Physics Letters A},
volume={378},
pages={2091-2095},
year={2014},
}
Pavel Exner, and Michal Jex. Spectral asymptotics of a strong interaction supported by a surface. 2014. Vol. 378. In Physics Letters A. pp.2091-2095. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020132959324182726.