MathSciDoc: An Archive for Mathematician ∫

@inproceedings{per1981on,
  title={On the invariant subspace problem for Banach spaces},
  author={Per Enflo},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203308168879399},
  booktitle={Acta Mathematica},
  volume={158},
  number={1},
  pages={213-313},
  year={1981},
}