@inproceedings{pavel2010resonances,
title={Resonances from perturbations of quantum graphs with rationally related edges},
author={Pavel Exner, and Ji Lipovsk},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020125623920504619},
booktitle={Journal of Physics A: Mathematical and Theoretical},
volume={43},
number={10},
pages={105301},
year={2010},
}
Pavel Exner, and Ji Lipovsk. Resonances from perturbations of quantum graphs with rationally related edges. 2010. Vol. 43. In Journal of Physics A: Mathematical and Theoretical. pp.105301. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020125623920504619.