@inproceedings{michael1979positive,
title={Positive harmonic functions vanishing on the boundary of certain domains in$R$^{$n$}},
author={Michael Benedicks},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203507722149328},
booktitle={Arkiv for Matematik},
volume={18},
number={1},
pages={53-72},
year={1979},
}
Michael Benedicks. Positive harmonic functions vanishing on the boundary of certain domains in$R$^{$n$}. 1979. Vol. 18. In Arkiv for Matematik. pp.53-72. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203507722149328.