TY  - BOOK
AU  - Coddington,Earl A.
AU  - Carlson,Robert
TI  - Linear ordinary differential equations / 
SN  - 0898713889   
PY  - 1997///
CY  - Philadelphia
PB  - Society for industrial and applied mathematics, 
KW  - Differential equations
N1  - Includes bibliographical references and index
ER  -