%0 Journal Article %A M. I. Kargapolov %T Classification of ordered Abelian groups by their elementary %J Algebra i logika %D 1963 %P 31-46 %V 2 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1963_2_2_a1/ %G ru %F AL_1963_2_2_a1