TY  - BOOK
AU  - Coddington,Earl A.
TI  - An introduction to ordinary differential equations
SN  - 0486659429
U1  - 515.352 COD 1961 
PY  - 1961///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Differential equations
N1  - Includes bibliographical referencea
ER  -