TY  - BOOK
AU  - Levy, H.
AU  - Lessman, F.
TI  - Finite difference equations
SN  - 0486672603
U1  - 515.725 LEV-LES 
PY  - 1992///
CY  - New York
PB  - Dover Publications, Inc.
KW  - Difference equations
N1  - Includes index
ER  -