TY  - BOOK
AU  - Coddington, Earl A.,
TI  - Introduction to ordinary differential equations
SN  - 486659429
PY  - 1961///
CY  - New York
PB  - Dover Publications
N1  - Reprint. Originally published: Englewood Cliffs, N.J. : Prentice-Hall, 1961. (Prentice-Hall mathematics series)
ER  -