@inproceedings{mauritz1952some,
title={Some statistical problems in the theory of servomechanisms},
author={Mauritz Sundström},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203414788102878},
booktitle={Arkiv for Matematik},
volume={2},
number={2},
pages={139-246},
year={1952},
}
Mauritz Sundström. Some statistical problems in the theory of servomechanisms. 1952. Vol. 2. In Arkiv for Matematik. pp.139-246. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203414788102878.