%0 Journal Article %A I. A. Lavrov %T Computably enumerable sets and related issues %J Algebra i logika %D 2011 %P 733-758 %V 50 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2011_50_6_a3/ %G ru %F AL_2011_50_6_a3