%0 Journal Article
%A N. I. Portenko
%T Integral equations and some limit theorems for additive functionals of Markov processes
%J Teoriâ veroâtnostej i ee primeneniâ
%D 1967
%P 551-559
%V 12
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TVP_1967_12_3_a14/
%G ru
%F TVP_1967_12_3_a14