Boyce, W. E., & DiPrima, R. C. (1992). Elementary differential equations and boundary value problems (5th ed.). New York: Wiley.
Παραπομπή Chicago StyleBoyce, William E., and Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 5th ed. New York: Wiley, 1992.
Παραπομπή MLABoyce, William E., and Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 5th ed. New York: Wiley, 1992.
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