@inproceedings{pavel1999edge,
title={Edge currents in the absence of edges},
author={Pavel Exner, Alain Joye, and H Kovak},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020130133577064638},
booktitle={Physics Letters A},
volume={264},
pages={124-130},
year={1999},
}