@inproceedings{sorin2001universal,
title={Universal properties of$L$($F$_{∞}) in subfactor theory},
author={Sorin Popa, and Dimitri Shlyakhtenko},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203343385001642},
booktitle={Acta Mathematica},
volume={191},
number={2},
pages={225-257},
year={2001},
}
Sorin Popa, and Dimitri Shlyakhtenko. Universal properties of$L$($F$_{∞}) in subfactor theory. 2001. Vol. 191. In Acta Mathematica. pp.225-257. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203343385001642.