TY  - BOOK
AU  - Spiegel,Murray R.
TI  - Schaum's outline of theory and problems of calculus of finite differences and difference equations
U1  - 517.6 SPI  
PY  - 1971///.
CY  - New York : 
PB  - McGraw-Hill Book Company, 
KW  - Calculus
KW  - Differential calculus
N1  - Includes index.
ER  -