TY  - BOOK
AU  - Birkhoff, Garrett
AU  - Rota, Gian-Carlo
TI  - Ordinary differential equations
SN  - 9812530029
U1  - 515.352 
PY  - 1959///
CY  - New York
PB  - John Wiley & Sons
KW  - Differential equations
N1  - HETC-MATH; 230990
ER  -