TY  - BOOK
AU  - Kaplansky,Irving
TI  - Commutative Rings / 
U1  - 512.4 
PY  - 1970///
CY  - [s.l.] : 
PB  - Allyn and Bacon, 
KW  - Commutative rings
N1  -  indludes bibliographical references and index
ER  -