Tensor product and quasi-splitting of Abelian groups
The construction of -solvable Abelian groups
The Functor Bext under the Negation of CH.
The Homological Dimension of an Abelian Group as a Module over its Ring of Endomorphisms. III.
The isomorphism relation on countable torsion free abelian groups
The isomorphism relation on countable torsion free abelian groups is non-Borel.
The nil-degree of a torsion-free Abelian group
The Structure of Ext (A,..) and V = L.
Torsion groups in cortorsion classes
Torsion-free abelian groups and completely decomposable -adic modules