@article{MZM_1977_21_2_a9,
     author = {A. P. Cherenkov},
     title = {Asymptote of additive functionals of {semi-Markov} processes with arbitrary sets of states},
     journal = {Matemati\v{c}eskie zametki},
     pages = {213--221},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1977_21_2_a9/}
}