%0 Journal Article %A I. A. Lavrov %T Undecidability of elementary theories of certain rings %J Algebra i logika %D 1962 %P 39-45 %V 1 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1962_1_3_a3/ %G ru %F AL_1962_1_3_a3