@inproceedings{björn1992stratified,
title={Stratified materials allowing asymptotically prescribed equipotentials},
author={Björn Gustafsson, Jacqueline Mossino, and Colette Picard},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203543542972626},
booktitle={Arkiv for Matematik},
volume={32},
number={2},
pages={293-307},
year={1992},
}
Björn Gustafsson, Jacqueline Mossino, and Colette Picard. Stratified materials allowing asymptotically prescribed equipotentials. 1992. Vol. 32. In Arkiv for Matematik. pp.293-307. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203543542972626.