@inproceedings{yngve1970on,
title={On the spectral synthesis problem for (n-l)-dimensional subsets of$R$^{$n$},$n$≥2},
author={Yngve Domar},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203446161158143},
booktitle={Arkiv for Matematik},
volume={9},
number={1},
pages={23-37},
year={1970},
}
Yngve Domar. On the spectral synthesis problem for (n-l)-dimensional subsets of$R$^{$n$},$n$≥2. 1970. Vol. 9. In Arkiv for Matematik. pp.23-37. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203446161158143.