TY  - BOOK
AU  - Bourbaki,N.
AU  - Cohn,P.M.
AU  - Howle,J.
TI  - Elements of mathematics / 
SN  - 3540193758
U1  - 510 BOU  
PY  - 1981///.
CY  - New York : 
PB  - Springer-Verlag Berlin Heidelberg, 
KW  - Algebra
KW  - Mathematics.
N1  - Algebra II. Chapters 4-7
ER  -