TY  - BOOK
AU  - Birkhoff, Garret
AU  - Rota, Gina-Carlo
TI  - Ordinary differential equations
SN  - 047107411X
U1  - 517.382 B 619 O 
PY  - 1978///
CY  - New York
PB  - John wiely & sons
KW  - Differential Equations
ER  -