@inproceedings{r.1966lorentz-invariant,
title={Lorentz-invariant Markov processes in relativistic phase space},
author={R. M. Dudley},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203435249310051},
booktitle={Arkiv for Matematik},
volume={6},
number={3},
pages={241-268},
year={1966},
}
R. M. Dudley. Lorentz-invariant Markov processes in relativistic phase space. 1966. Vol. 6. In Arkiv for Matematik. pp.241-268. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203435249310051.