@inproceedings{yulia1998on,
title={On the density of states for the periodic Schrödinger operator},
author={Yulia E. Karpeshina},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203558441579743},
booktitle={Arkiv for Matematik},
volume={38},
number={1},
pages={111-137},
year={1998},
}
Yulia E. Karpeshina. On the density of states for the periodic Schrödinger operator. 1998. Vol. 38. In Arkiv for Matematik. pp.111-137. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203558441579743.