%0 Journal Article %A A. P. Cherenkov %T Asymptote of additive functionals of semi-Markov processes with arbitrary sets of states %J Matematičeskie zametki %D 1977 %P 213-221 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1977_21_2_a9/ %G ru %F MZM_1977_21_2_a9