@inproceedings{a.1950extremum,
title={Extremum problems in the theory of analytic functions},
author={A. J. Macintyre, and W. W. Rogosinski},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203127565949705},
booktitle={Acta Mathematica},
volume={82},
number={1},
pages={275-325},
year={1950},
}
A. J. Macintyre, and W. W. Rogosinski. Extremum problems in the theory of analytic functions. 1950. Vol. 82. In Acta Mathematica. pp.275-325. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203127565949705.