@inproceedings{pavel2005the,
title={The von Neumann way to treat systems of mixed dimensionality},
author={Pavel Exner},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020134117255173761},
booktitle={Reports on Mathematical Physics},
volume={55},
number={1},
pages={79-92},
year={2005},
}
Pavel Exner. The von Neumann way to treat systems of mixed dimensionality. 2005. Vol. 55. In Reports on Mathematical Physics. pp.79-92. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020134117255173761.