@inproceedings{yacin2002the,
title={The Calderón problem for Hilbert couples},
author={Yacin Ameur},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203606934923810},
booktitle={Arkiv for Matematik},
volume={41},
number={2},
pages={203-231},
year={2002},
}

Yacin Ameur. The Calderón problem for Hilbert couples. 2002. Vol. 41. In Arkiv for Matematik. pp.203-231. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203606934923810.