TY - JOUR AU - Yu. Sh. Gurevich TI - Elementary properties of ordered Abelian groups JO - Algebra i logika PY - 1964 SP - 5 EP - 39 VL - 3 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1964_3_1_a0/ LA - ru ID - AL_1964_3_1_a0 ER -