Kostelich, E. J., & Armbruster, D. (1996). Introductory differential equations: From linearity to chaos (Preliminary edition.). Addison-Wesley Publishing Company.
Cita Chicago (17th ed.)Kostelich, Eric J., i Dieter Armbruster. Introductory Differential Equations: From Linearity to Chaos. Preliminary edition. Reading, Massachusetts: Addison-Wesley Publishing Company, 1996.
Cita MLA (9th ed.)Kostelich, Eric J., i Dieter Armbruster. Introductory Differential Equations: From Linearity to Chaos. Preliminary edition. Addison-Wesley Publishing Company, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.