TY  - BOOK
AU  - Levi Decio Ed
AU  -  Vinet Luc Ed
AU  -  Winternitz Pavel Ed
TI  - Symmetries and integrability of difference equations
T2  - CRM proceedings lecture notes; 9
SN  - 0821806017 (pbk)
U1  - B41, N6 
PY  - 1996///
CY  - Providence,Rohode Island 
PB  - American Mathematical Soceity
KW  -  Finite difference
KW  -  REF calculus
KW  - Mathematics
N1  - Includes bibliographical references
ER  -