TY  - BOOK
TI  - Introduction to difference equations
T2  - Undergraduate texts in mathematics
SN  - 387988300
PY  - 2005///
CY  - New York
PB  - Springer
UR  - http://www.loc.gov/catdir/enhancements/fy0662/2004058916-d.html | http://www.loc.gov/catdir/enhancements/fy0813/2004058916-t.html
ER  -