@inproceedings{jan-erik1969relatively,
title={Relatively maximal function algebras generated by polynomials on compact sets in the complex plane},
author={Jan-Erik Björk},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203442866232116},
booktitle={Arkiv for Matematik},
volume={8},
number={1},
pages={17-23},
year={1969},
}
Jan-Erik Björk. Relatively maximal function algebras generated by polynomials on compact sets in the complex plane. 1969. Vol. 8. In Arkiv for Matematik. pp.17-23. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203442866232116.