MathSciDoc: An Archive for Mathematician ∫

@inproceedings{hubert1979gauss’s,
  title={Gauss’s Theorem and the self-adjointness of Schrödinger operators},
  author={Hubert Kalf},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203507509212326},
  booktitle={Arkiv for Matematik},
  volume={18},
  number={1},
  pages={19-47},
  year={1979},
}