%0 Journal Article %A Yu. L. Ershov %T Decidability of elementary theories of certain classes of Abelian %J Algebra i logika %D 1963 %P 37-41 %V 1 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1963_1_6_a4/ %G ru %F AL_1963_1_6_a4