20Kxx Abelian groups ( 0 Dok. )

• 20K01 Finite abelian groups ( 0 Dok. )
• 20K05 Finitely generated groups ( 0 Dok. )
• 20K10 Torsion groups, primary groups and generalized primary groups ( 0 Dok. )
• 20K12 Ulm sequences ( 0 Dok. )
• 20K15 Torsion free groups, finite rank ( 0 Dok. )
• 20K20 Torsion free groups, infinite rank ( 0 Dok. )
• 20K21 Mixed groups ( 0 Dok. )
• 20K25 Direct sums, direct products, etc. ( 0 Dok. )
• 20K26 Indecomposable groups ( 0 Dok. )
• 20K27 Subgroups ( 0 Dok. )
• 20K30 Automorphisms, homomorphisms, endomorphisms, etc. ( 0 Dok. )
• 20K35 Extensions ( 0 Dok. )
• 20K40 Homological and categorical methods ( 0 Dok. )
• 20K45 Topological methods, See also {22A05, 22B05} ( 0 Dok. )
• 20K99 None of the above but in this section ( 0 Dok. )