@article{ZNSL_1974_41_a9,
     author = {B. P. Harlamov},
     title = {The random processes with {semi-Markov} chains of hitting times},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {139--164},
     publisher = {mathdoc},
     volume = {41},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1974_41_a9/}
}