Boyce, W. E., & DiPrima, R. C. (1986). Elementary differential equations and boundary value problems (4th ed.). New York: John Wiley and Sons.
Παραπομπή Chicago StyleBoyce, William E., and Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 4th ed. New York: John Wiley and Sons, 1986.
Παραπομπή MLABoyce, William E., and Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 4th ed. New York: John Wiley and Sons, 1986.
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