TY  - BOOK
AU  - Beaumont,Ross A.
AU  - Pierce,Robert Stanley
TI  - Torsion free groups of rank two
T2  - Memoirs of the American Mathematical Society, 
SN  - 9780821899816 (online)
AV  - QA3 .A57 no. 38
PY  - 1961///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Torsion free Abelian groups
KW  - Abelian groups
KW  - Group theory
N1  - Includes bibliographical references; 1. Introduction; 2. The invariants; 3. Quasi-isomorphism; 4. Change of basis; 5. Decompositions of rank two groups; 6. Quotient divisible groups; 7. The types of elements; 8. Endomorphisms; 9. Isomorphisms of quasi-isomorphic groups; 10. Conjectures and questions concerning groups of arbitrary finite rank; Access is restricted to licensed institutions; Electronic reproduction; Providence, Rhode Island; American Mathematical Society; 2012
UR  - http://www.ams.org/memo/0038
UR  - http://dx.doi.org/10.1090/memo/0038
ER  -