TY  - BOOK
AU  - Levy,H.
AU  - Lessman,F.
TI  - Finite difference equations
SN  - 0486672603
AV  - QA431 L48 1992
PY  - 1992///
CY  - New York
PB  - Dover Publications
KW  - Difference equations
KW  - Ecuaciones diferenciales
N1  - Originally published: New York : Macmillan, 1961
UR  - http://www.loc.gov/catdir/description/dover031/92020438.html
UR  - http://www.loc.gov/catdir/toc/dover031/92020438.html
ER  -