TY  - BOOK
AU  - Levin, A
TI  - Difference algebra
SN  - 9781402069468
U1  - 512.618 
PY  - 2008///
CY  - Wasington
PB  - Springer
KW  - FIELD THEORY
KW  - MONADICITY
KW  - PICARD- VESSIOT THEORY
KW  - RITT DIFFRENT RINGS
ER  -