@inproceedings{t.1963parameter,
title={Parameter estimation for stochastic processes},
author={T. S. Pitcher},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203204115187977},
booktitle={Acta Mathematica},
volume={112},
number={1},
pages={1-40},
year={1963},
}