@inproceedings{norbert2008spherical,
title={Spherical spectral synthesis and two-radius theorems on Damek–Ricci spaces},
author={Norbert Peyerimhoff, and Evangelia Samiou},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203626015691967},
booktitle={Arkiv for Matematik},
volume={48},
number={1},
pages={131-147},
year={2008},
}
Norbert Peyerimhoff, and Evangelia Samiou. Spherical spectral synthesis and two-radius theorems on Damek–Ricci spaces. 2008. Vol. 48. In Arkiv for Matematik. pp.131-147. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203626015691967.