@inproceedings{pavel2009on,
title={On geometric perturbations of critical Schrdinger operators with a surface interaction},
author={Pavel Exner, and Martin Fraas},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020130927633284661},
booktitle={Journal of Mathematical Physics},
volume={50},
number={11},
pages={112101},
year={2009},
}
Pavel Exner, and Martin Fraas. On geometric perturbations of critical Schrdinger operators with a surface interaction. 2009. Vol. 50. In Journal of Mathematical Physics. pp.112101. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020130927633284661.