TY - JOUR AU - D. M. Lebedinskii TI - Direct decompositions of torsion-free abelian groups belonging to certain classes JO - Algebra i analiz PY - 1998 SP - 148 EP - 158 VL - 10 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1998_10_2_a5/ LA - ru ID - AA_1998_10_2_a5 ER -