@inproceedings{kaj1995integrability, title={Integrability of Green potentials in fractal domains}, author={Kaj Nyström}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203549288282671}, booktitle={Arkiv for Matematik}, volume={34}, number={2}, pages={335-381}, year={1995}, }