MathSciDoc: An Archive for Mathematician ∫

@inproceedings{björn1982area,
  title={Area integral estimates for elliptic differential operators with non-smooth coefficients},
  author={Björn E. J. Dahlberg, David S. Jerison, and Carlos E. Kenig},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203517286291408},
  booktitle={Arkiv for Matematik},
  volume={22},
  number={1},
  pages={97-108},
  year={1982},
}