@inproceedings{urban1979capacities,
title={Capacities and extremal plurisubharmonic functions on subset of$C$^{$n$}},
author={Urban Cegrell},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203508806020337},
booktitle={Arkiv for Matematik},
volume={18},
number={1},
pages={199-206},
year={1979},
}
Urban Cegrell. Capacities and extremal plurisubharmonic functions on subset of$C$^{$n$}. 1979. Vol. 18. In Arkiv for Matematik. pp.199-206. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203508806020337.