MathSciDoc: An Archive for Mathematician ∫

@inproceedings{jaak1978two,
  title={Two new interpolation methods based on the duality map},
  author={Jaak Peetre},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203249333676261},
  booktitle={Acta Mathematica},
  volume={143},
  number={1},
  pages={73-91},
  year={1978},
}