TY  - BOOK
AU  - Kelley, Walter G.
AU  - Peterson, Allan C.
TI  - Difference equations: an introduction with applications [2nd ed.]
SN  - 9788131202333
U1  - 515.625 
PY  - 2001///
CY  - Amsterdam
PB  - Elsevier
KW  - Difference equations
ER  -