TY  - BOOK
AU  - Birkhoff, Garrett.
AU  - Garrett Birkhoff.
TI  - Ordinary Differential Equations
U1  - 515.3 BIR 
PY  - 1989///
CY  - Canada 
PB  - : John Wiley & Sons Inc 
KW  - Differental Equation
KW  - Equations
KW  - Mathematics
ER  -