TY  - BOOK
AU  - Coddington, Earl A.
AU  - Bennett, Albert A.
TI  - An introduction to ordinary differential equations 
SN  - 9788120303614
U1  - 517.382 
PY  - 1974///
CY  - New Delhi
PB  - Prentice Hall
N1  - References : p. 263
ER  -