%0 Journal Article %A D. M. Lebedinskii %T Direct decompositions of torsion-free abelian groups belonging to certain classes %J Algebra i analiz %D 1998 %P 148-158 %V 10 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1998_10_2_a5/ %G ru %F AA_1998_10_2_a5