TY  - BOOK
AU  - COHN, P. N.
TI  - BASIC ALGEBRA, GROUP, RINGS AND FIELDS
SN  - 8181280473
U1  - 512/COH 
PY  - 2008///
CY  - NEW DELHI.
PB  - TATA MCGRAW HILL CO LTD., NEW DELHI.
ER  -