TY  - GEN
AU  - Hartman, Philip
TI  - Ordinary Differential Equations
U1  - 515.352 HAR/Ord 
PY  - 1964///
CY  - New York
PB  - John Wiley & Sons
KW  - Ordinary DIfferential Equations
N1  - Includes Hints for Exercises, References and Index
ER  -