TY  - BOOK
AU  - Norlund N E
TI  - Vorlesungen uber differnzenrechnung
U1  - 515.3=4 
PY  - 1924///
CY  - Berlin
PB  - Springer Verlag
KW  - Calculus
KW  - Differentiations
N1  - Lithoprint published by J W Edwards,Michigan,1945
ER  -