TY  - BOOK
AU  - Ross, Shepley L. 
AU  - Ross, Shepley L. 
TI  - Introduction to ordinary differential equations / 
SN  - 9780471098812
AV  - QA372 .R815 1989
PY  - 1989///
CY  - Chichester
PB  - John Wiley & Sons, Ltd., 
KW  - Differential equations
ER  -