TY  - BOOK
AU  - Levy, H.
AU  - Lessman, F
TI  - Finite difference equations
SN  - 0-486-67260-3
U1  - 515.625/LEV 
PY  - 1992///
CY  - New York
PB  - Dover
KW  - Difference equations
KW  - Mathematics
ER  -