Etgen, G. J., & Morris, W. L. (1977). Introduction to ordinary differential equations: With difference equations, numerical methods, and applications. Harper & Row.
Chicago Edition CitationEtgen, Garret J., and William L. Morris. Introduction to Ordinary Differential Equations: With Difference Equations, Numerical Methods, and Applications. New York: Harper & Row, 1977.
Deismireacht MLAEtgen, Garret J., and William L. Morris. Introduction to Ordinary Differential Equations: With Difference Equations, Numerical Methods, and Applications. Harper & Row, 1977.
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