@inproceedings{j.1957discontinuous,
title={Discontinuous Markoff processes},
author={J. E. Moyal},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203148164845857},
booktitle={Acta Mathematica},
volume={98},
number={1},
pages={221-264},
year={1957},
}

J. E. Moyal. Discontinuous Markoff processes. 1957. Vol. 98. In Acta Mathematica. pp.221-264. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203148164845857.