TY  - BOOK
AU  - Green,J.A.
TI  - Sets and groups: a first course in algebra 
SN  - 0710205570
AV  - QA171 .G68 1987
U1  - 512�19 
PY  - 1987///
CY  - London, New York
PB  - Routledge & K. Paul
KW  - Set theory
KW  - Group theory
ER  -