@inproceedings{d.1988characteristic,
title={Characteristic numbers of bounded domains},
author={D. Burns, and C. L. Epstein},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203313736324440},
booktitle={Acta Mathematica},
volume={164},
number={1},
pages={29-71},
year={1988},
}