%0 Journal Article %A G. I. Falin %T Error estimates in the approximation of countable Markov chains, connected with models of repeated calls %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1987 %P 12-15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1987_2_a2/ %G ru %F VMUMM_1987_2_a2