Differential equations for engineers. (English)
Cambridge: Cambridge University Press (ISBN 978-0-521-19424-2/hbk). xvi, 550~p. \sterling~55.00; \$~76.00/e-book (2010).
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Power series solution to the pendulum equation. (English)
Int. J. Math. Educ. Sci. Technol. 40, No. 8, 1109-1117 (2009).
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Newton’s study on differential equations in his creation of the differential. (Chinese)
J. Northwest Univ., Nat. Sci. Ed. 38, No. 2, 334-338 (2008).
3