@inproceedings{d.2018fat,
title={Fat sub-Riemannian symmetric spaces: the nilpotent case},
author={D. M. Almeida, and E. Falbel},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191204100701632501568},
booktitle={Arkiv for Matematik},
volume={56},
number={2},
pages={207-228},
year={2018},
}
D. M. Almeida, and E. Falbel. Fat sub-Riemannian symmetric spaces: the nilpotent case. 2018. Vol. 56. In Arkiv for Matematik. pp.207-228. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191204100701632501568.