@inproceedings{bruno2009regularity,
title={Regularity of the Schrödinger equation for the harmonic oscillator},
author={Bruno Bongioanni, and Keith M. Rogers},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203629857818998},
booktitle={Arkiv for Matematik},
volume={49},
number={2},
pages={217-238},
year={2009},
}
Bruno Bongioanni, and Keith M. Rogers. Regularity of the Schrödinger equation for the harmonic oscillator. 2009. Vol. 49. In Arkiv for Matematik. pp.217-238. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203629857818998.