@inproceedings{harald1960on,
title={On the linear prediction problem for certain stochastic processes},
author={Harald Cramér},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203424528311960},
booktitle={Arkiv for Matematik},
volume={4},
number={1},
pages={45-53},
year={1960},
}