TY  - BOOK
AU  - Coddington, Earl A.
TI  - An introduction to ordinary differential equations 
SN  - 9780486659428 
U1  - 515.382 
PY  - 1989///
CY  - New-York
PB  - Dover Publications
KW  - Mathematics ; Analysis ; Differential equations
KW  - MA720;M.Sc
ER  -