TY  - JOUR
AU  - A. M. Sebel'din
TI  - Definability of separable torsion-free abelian groups by
JO  - Algebra i logika
PY  - 1995
SP  - 523
EP  - 530
VL  - 34
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1995_34_5_a2/
LA  - ru
ID  - AL_1995_34_5_a2
ER  -