@inproceedings{torbjörn1967on, title={On stochastic stationarity of renewal processes}, author={Torbjörn Thedéen}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203439313625085}, booktitle={Arkiv for Matematik}, volume={7}, number={3}, pages={249-263}, year={1967}, }