@article{TRSPY_1964_71_a8,
     author = {E. L. Presman},
     title = {Time of stay of a~system in a~faulty state},
     journal = {Informatics and Automation},
     pages = {78--81},
     publisher = {mathdoc},
     volume = {71},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1964_71_a8/}
}