@inproceedings{nils1997invariant,
title={Invariant fundamental solutions and solvability for symmetric spaces of type$G$_{C}/$G$_{R}with only one conjugacy class of Cartan subspaces},
author={Nils Byrial Andersen},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203553154904701},
booktitle={Arkiv for Matematik},
volume={36},
number={2},
pages={191-200},
year={1997},
}
Nils Byrial Andersen. Invariant fundamental solutions and solvability for symmetric spaces of type$G$_{C}/$G$_{R}with only one conjugacy class of Cartan subspaces. 1997. Vol. 36. In Arkiv for Matematik. pp.191-200. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203553154904701.