@inproceedings{pavel2001avoided,
title={Avoided crossings in mesoscopic systems: Electron propagation on a nonuniform magnetic cylinder},
author={Pavel Exner, and Alain Joye},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020133232466397732},
booktitle={Journal of Mathematical Physics},
volume={42},
number={10},
pages={4707-4738},
year={2001},
}

Pavel Exner, and Alain Joye. Avoided crossings in mesoscopic systems: Electron propagation on a nonuniform magnetic cylinder. 2001. Vol. 42. In Journal of Mathematical Physics. pp.4707-4738. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020133232466397732.