Agarwal, R. P., & O'Regan, D. An Introduction to Ordinary Differential Equations. Springer New York.
Cita Chicago (17th ed.)Agarwal, Ravi P., i Donal O'Regan. An Introduction to Ordinary Differential Equations. New York, NY: Springer New York.
Cita MLA (8th ed.)Agarwal, Ravi P., i Donal O'Regan. An Introduction to Ordinary Differential Equations. Springer New York.
Atenció: Aquestes cites poden no estar 100% correctes.