%0 Journal Article %A Yu. I. Sorkin %T Algorithmic solvability of isomorphism problems for automata %J Doklady Akademii Nauk %D 1961 %P 804-806 %V 137 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_137_4_a12/ %G ru %F DAN_1961_137_4_a12