Coddington, E. A., Levinson, N., & Levinson, N. (1985). Theory of ordinary differential equations. New Delhi: Tata McGraw-Hill.
Παραπομπή Chicago StyleCoddington, Earl A., Norman Levinson, and Norman Levinson. Theory of Ordinary Differential Equations. New Delhi: Tata McGraw-Hill, 1985.
Παραπομπή MLACoddington, Earl A., Norman Levinson, and Norman Levinson. Theory of Ordinary Differential Equations. New Delhi: Tata McGraw-Hill, 1985.
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