TY  - BOOK
AU  - Put, Marius van der
AU  - Singer, Michael F
TI  - Galois theory of difference equations
SN  - 9783540632436
SN  - 97035758
U1  - 510 PUT 
PY  - 1997///
CY  - Berlin
PB  - Springer
KW  - Difference equations
KW  - Galois theory
N1  - Includes bibliographical references and index
ER  -