TY - JOUR AU - T. A. Beregovaya TI - On definability of completely decomposable torsion-free Abelian groups by certain groups of homomorphisms JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2009 SP - 20 EP - 23 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2009_11_a2/ LA - ru ID - IVM_2009_11_a2 ER -