MathSciDoc: An Archive for Mathematician ∫

@inproceedings{j.1974traces,
  title={Traces of commutators of integral operators},
  author={J. William Helton, and Roger E. Howe},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203237972822197},
  booktitle={Acta Mathematica},
  volume={135},
  number={1},
  pages={271-305},
  year={1974},
}