@inproceedings{george2005morita,
title={Morita equivalence of smooth noncommutative tori},
author={George A. Elliott, and Hanfeng Li},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203350733619693},
booktitle={Acta Mathematica},
volume={199},
number={1},
pages={1-27},
year={2005},
}
George A. Elliott, and Hanfeng Li. Morita equivalence of smooth noncommutative tori. 2005. Vol. 199. In Acta Mathematica. pp.1-27. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203350733619693.