@inproceedings{david1992entropy,
title={Entropy numbers of tensor products of operators},
author={David E. Edmunds, and Hans-Olav Tylli},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203540716838604},
booktitle={Arkiv for Matematik},
volume={31},
number={2},
pages={247-274},
year={1992},
}
David E. Edmunds, and Hans-Olav Tylli. Entropy numbers of tensor products of operators. 1992. Vol. 31. In Arkiv for Matematik. pp.247-274. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203540716838604.