%0 Journal Article %A M. I. Kratko %T Algorithmic unsolvability of the problem of completeness recognition for finite automata %J Doklady Akademii Nauk %D 1964 %P 35-37 %V 155 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_155_1_a7/ %G ru %F DAN_1964_155_1_a7