@inproceedings{ilgiz2004lower,
title={Lower estimates for integral means of univalent functions},
author={Ilgiz R. Kayumov},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203617006964889},
booktitle={Arkiv for Matematik},
volume={44},
number={1},
pages={104-110},
year={2004},
}