@inproceedings{wacław1981on,
title={On the “symmetric commutant” — canonical decomposition of families of Hilbert space operators},
author={Wacław Szymański},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203515493221394},
booktitle={Arkiv for Matematik},
volume={21},
number={1},
pages={205-215},
year={1981},
}
Wacław Szymański. On the “symmetric commutant” — canonical decomposition of families of Hilbert space operators. 1981. Vol. 21. In Arkiv for Matematik. pp.205-215. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203515493221394.