TY  - BOOK
AU  - Nørlund,Niels Erik
TI  - Vorlesungen über Differenzenrechnung
U1  - 517.38 18
PY  - 1954///
CY  - New York
PB  - Chelsea Pub. Co.
KW  - Difference equations
N1  - Reprint of the 1924 ed
ER  -