@inproceedings{reinhard2009on,
title={On the completeness of certain kernel-defined semi-inner product spaces},
author={Reinhard Wolf},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203627763799982},
booktitle={Arkiv for Matematik},
volume={48},
number={2},
pages={395-403},
year={2009},
}
Reinhard Wolf. On the completeness of certain kernel-defined semi-inner product spaces. 2009. Vol. 48. In Arkiv for Matematik. pp.395-403. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203627763799982.