TY - JOUR AU - O. V. Ljubimtsev TI - Separable torsion free Abelian groups with $UA$-rings of endomorphisms JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 1998 SP - 1419 EP - 1422 VL - 4 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_1998_4_4_a17/ LA - ru ID - FPM_1998_4_4_a17 ER -