Coddington, Earl A.. Theory of ordinary differential equations / by Earl A. Coddington and Norman Levinson. - New Delhi : Tata McGraw-Hill Publishing , 1955 (rep. 1996). - ii,429p. : diags. ; 22cm . NULL ISBN: 0070992568 NULL Subjects--Index Terms: DIFFERENTIAL EQUATIONS, ORDINARY Dewey Class. No.: 515.352 / COD/T