@article{ZNSL_1972_29_a5,
     author = {B. P. Harlamov},
     title = {Random change of time, and continuous {semi-Markov} processes},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {30--37},
     publisher = {mathdoc},
     volume = {29},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1972_29_a5/}
}