TY  - GEN
AU  - Næastæasescu,C
AU  - Oystaeyen,F.van
TI  - Methods of graded rings
T2  - Lecture notes in mathematics
SN  - 3540207465 (soft cover : acid-free paper)
U1  - 510 s512/.46 
PY  - 2004///
CY  - Berlin, New York
PB  - Springer
KW  - Graded rings
KW  - Associative rings
ER  -