%0 Journal Article %A O. M. Kopytova %T Indistinguishability of finite automata by multiple experiments in a stationary observation environment %J Diskretnaya Matematika %D 1994 %P 120-128 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1994_6_2_a7/ %G ru %F DM_1994_6_2_a7