MathSciDoc: An Archive for Mathematician ∫

@inproceedings{sun-yung1975a,
  title={A characterization of douglas subalgebras},
  author={Sun-Yung A. Chang},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203240496459207},
  booktitle={Acta Mathematica},
  volume={137},
  number={1},
  pages={81-89},
  year={1975},
}