@inproceedings{george2002a,
title={A property of strictly singular one-to-one operators},
author={George Androulakis, and Per Enflo},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203607070815811},
booktitle={Arkiv for Matematik},
volume={41},
number={2},
pages={233-252},
year={2002},
}
George Androulakis, and Per Enflo. A property of strictly singular one-to-one operators. 2002. Vol. 41. In Arkiv for Matematik. pp.233-252. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203607070815811.