@inproceedings{evsey1995an,
title={An asymptotic Cauchy problem for the Laplace equation},
author={Evsey Dyn'kin},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203548787289667},
booktitle={Arkiv for Matematik},
volume={34},
number={2},
pages={245-264},
year={1995},
}

Evsey Dyn'kin. An asymptotic Cauchy problem for the Laplace equation. 1995. Vol. 34. In Arkiv for Matematik. pp.245-264. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203548787289667.