%0 Journal Article %A A. I. Mal'tsev %T On the theory of computable families of objects %J Algebra i logika %D 1964 %P 5-31 %V 3 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1964_3_4_a0/ %G ru %F AL_1964_3_4_a0