@inproceedings{alexander2005energy,
title={Energy characteristics of subordination chains},
author={Alexander Vasil’ev},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203618975123906},
booktitle={Arkiv for Matematik},
volume={45},
number={1},
pages={141-156},
year={2005},
}