@inproceedings{brian2013the,
title={THE COMPLETION OF THE MANIFOLD OF RIEMANNIAN METRICS},
author={Brian Clarke},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160914073721562708960},
booktitle={Journal of Differential Geometry},
volume={93},
number={2},
pages={203-268},
year={2013},
}

Brian Clarke. THE COMPLETION OF THE MANIFOLD OF RIEMANNIAN METRICS. 2013. Vol. 93. In Journal of Differential Geometry. pp.203-268. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160914073721562708960.