TY  - BOOK
AU  - Ca?luga?reanu, Grigore.
TI  - Exercises in basic ring theory
T2  - Kluwer texts in the mathematical sciences ; v. 20
SN  - 0792349180
U1  - 512.4076 21 
PY  - 1998///
CY  - Dordrecht ; Boston :
PB  - Kluwer academic Publishers
N1  - Includes bibliographical references
ER  -