%0 Journal Article %A A. D. Korshunov %T Number, degree of distinguishability and diameter of permutation automata and of operators realizable by them %J Doklady Akademii Nauk %D 1968 %P 262-265 %V 182 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_182_2_a4/ %G ru %F DAN_1968_182_2_a4