TY  - BOOK
AU  - Coddington, Earl A
AU  - Levinson, Norman
TI  - Theory of ordinary differential equations
SN  - 0-07-099256-8
CY  - New Delhi
KW  - Differential equations -- Ordinary
KW  - Linear differential equations
KW  - Mathematics
KW  - Ordinary differential equations
N1  - Includes bibliographical references and index
ER  -