MathSciDoc: An Archive for Mathematician ∫

@inproceedings{guido1974weighted,
  title={Weighted approximation, Mergelyan's theorem and quasi-analytic classes},
  author={Guido Zapata},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203456474213230},
  booktitle={Arkiv for Matematik},
  volume={13},
  number={1},
  pages={255-262},
  year={1974},
}