@inproceedings{pavel2001waveguides,
title={Waveguides coupled through a semitransparent barrier: a BirmanSchwinger analysis},
author={Pavel Exner, and D Krejik},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020131420816435674},
booktitle={Reviews in Mathematical Physics},
volume={13},
number={3},
pages={307-334},
year={2001},
}

Pavel Exner, and D Krejik. Waveguides coupled through a semitransparent barrier: a BirmanSchwinger analysis. 2001. Vol. 13. In Reviews in Mathematical Physics. pp.307-334. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020131420816435674.