Infinite Abelian groups: methods and results

The review paper is devoted to methods and results from the theory of infinite Abelian groups. The content of the review: § 1 Some main definitions; § 2 Primary groups; § 3 Torsion free groups; § 4 Mixed groups; § 5 Classification theorems; § 6 Quasi-isomorphisms; § 7 Endomorphism rings and groups; § 8 Groups of homomorphisms. Extension groups; § 9 Tensor products. Torsion products; § 10 Valuated groups; § 11 Varia.