Everitt, W. N., & Sleeman, B. D. (1981). Ordinary and partial differential equations. Springer-Verlag.
Cita Chicago (17th ed.)Everitt, W. N., i B. D. Sleeman. Ordinary and Partial Differential Equations. Berlín: Springer-Verlag, 1981.
Cita MLA (9th ed.)Everitt, W. N., i B. D. Sleeman. Ordinary and Partial Differential Equations. Springer-Verlag, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.