TY  - BOOK
AU  - Duff, G. F. D. 
TI  - Differential equations of applied mathematics
U1  - 530.157383 DUF 
PY  - 1966///
CY  - New York 
PB  - : Wiley
KW  - ; Mathematical physics
KW  - ; Differential Equations
KW  - ;  Naylor,Derek
KW  - ; Duff, G F D
ER  -