@inproceedings{luigi1999currents,
title={Currents in metric spaces},
author={Luigi Ambrosio, and Bernd Kirchheim},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203336245545597},
booktitle={Acta Mathematica},
volume={185},
number={1},
pages={1-80},
year={1999},
}