TY  - BOOK
AU  - Cohn P M
TI  - Algebra
SN  - 047192234X
U1  - B2, M9.2 
PY  - 1989///
CY  - Chichester
PB  - John Wiley Sons       
KW  -  Algebra
KW  - Mathematics
N1  - Bibliography 415-417p
ER  -