@inproceedings{joseph1974a$p$-extremal, title={A$p$-extremal length and$p$-capacity equality}, author={Joseph Hesse}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203455706607225}, booktitle={Arkiv for Matematik}, volume={13}, number={1}, pages={131-144}, year={1974}, }