Zill, D. G. (2001). A first course in differential equations with modeling applications (7th ed.). Brooks / Cole.
Chicago Style (17th ed.) CitationZill, Dennis G. A First Course in Differential Equations with Modeling Applications. 7th ed. USA: Brooks / Cole, 2001.
MLA (9th ed.) CitationZill, Dennis G. A First Course in Differential Equations with Modeling Applications. 7th ed. Brooks / Cole, 2001.
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