TY  - BOOK
AU  - Frisch Ragnar
ED  - OSLO Univ.
TI  - On the Solution of Difference Equations with Constant Coeffcients and an Arbitary additional Function of Time
U1  - 330.182 
PY  - 1965///
CY  - OSLO
PB  - OSLO Univ.
KW  - Difference Equation
ER  -