@inproceedings{pavel2014on,
title={On some sharp spectral inequalities for Schrdinger operators on semiaxis},
author={Pavel Exner, Ari Laptev, and Muhammad Usman},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020133017370532727},
booktitle={Communications in Mathematical Physics},
volume={326},
number={2},
pages={531-541},
year={2014},
}
Pavel Exner, Ari Laptev, and Muhammad Usman. On some sharp spectral inequalities for Schrdinger operators on semiaxis. 2014. Vol. 326. In Communications in Mathematical Physics. pp.531-541. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020133017370532727.