MathSciDoc: An Archive for Mathematician ∫

@inproceedings{elias1961on,
  title={On the theory of harmonic functions of several variables},
  author={Elias M. Stein},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203157647614926},
  booktitle={Acta Mathematica},
  volume={106},
  number={3},
  pages={137-174},
  year={1961},
}