TY  - BOOK
AU  - Coddington, Earl A.
TI  - Introduction to ordinary differential equations / 
SN  - 9780486659428
U1  - 517.382 22
PY  - 1961///
CY  - New York : 
PB  - Dover, 
KW  - Introduction to ordinary differential equations
N1  - Include Index
ER  -