TY  - BOOK
AU  - Bourbaki, Nicolas
AU  - Cohn, P. M. ; tr.
AU  - Howie, J. ; jt. tr.
TI  - Elements of mathematics; algebra II : Chapter 4-7
T2  - Elements of Mathematics
SN  - 3540007067
U1  - 512 
PY  - 2003///
CY  - Berlin
PB  - Springer-Verlag
ER  -