Spiegel, Murray R., author
Schaum's outline of theory and problems of calculus of finite differences and difference equations
McGraw-Hill, 1971
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Rainville, Earl D.
Elementary differential equations / Earl D. Rainville, Philip E. Bedient
Macmillan, 1981
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Agnew, Ralph Palmer, author
Differential equations
McGraw-Hill, 1160
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Zill, Dennis G., author
A first course in differential equations with applications
Prindle, Weber Schmidt, 1986
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Hsu, Sze-Bi, author
Ordinary differential equations with applications / Sze-Bi Hsu
World Scientific, 2013
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