@inproceedings{james1975approximation,
title={Approximation in the mean by polynomials on non-Carathéodory domains},
author={James E. Brennan},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203500591351267},
booktitle={Arkiv for Matematik},
volume={15},
number={1},
pages={117-168},
year={1975},
}
James E. Brennan. Approximation in the mean by polynomials on non-Carathéodory domains. 1975. Vol. 15. In Arkiv for Matematik. pp.117-168. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203500591351267.