%0 Journal Article %A S. L. Bereznyuk %T On the number of nonequivalent computable indexings of a fixed %J Algebra i logika %D 1993 %P 34-44 %V 32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1993_32_1_a2/ %G ru %F AL_1993_32_1_a2