TY  - BOOK
AU  - Calugareanu Grigore
AU  - Hamburg Peter
TI  - Excercises in basic ring theory
SN  - 0-7923-4918-0
U1  - 512.4 
PY  - 1998///
CY  - Dordrecht
PB  - Kluwer Academic
KW  - Ring theory
ER  -