@inproceedings{pavel1988quantum-mechanical,
title={Quantum-mechanical splitters: How should one understand them?},
author={Pavel Exner, and P eba},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020130430368407644},
booktitle={Physics Letters A},
volume={128},
number={9},
pages={493-496},
year={1988},
}
Pavel Exner, and P eba. Quantum-mechanical splitters: How should one understand them?. 1988. Vol. 128. In Physics Letters A. pp.493-496. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020130430368407644.