Edwards, C. H., Penney, D. E., & Calvis, D. (2008). Elementary differential equations with boundary value problems (Sixth edition.). Pearson/Prentice Hall.
Cita Chicago Style (17a ed.)Edwards, C. Henry, David E. Penney, y David Calvis. Elementary Differential Equations with Boundary Value Problems. Sixth edition. Upper Saddle River, New Jersey: Pearson/Prentice Hall, 2008.
Cita MLA (9a ed.)Edwards, C. Henry, et al. Elementary Differential Equations with Boundary Value Problems. Sixth edition. Pearson/Prentice Hall, 2008.
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