%0 Journal Article %A M. A. Taitslin %T Equivalence of automata with respect to a commutative semigroup %J Algebra i logika %D 1969 %P 553-600 %V 8 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1969_8_5_a2/ %G ru %F AL_1969_8_5_a2