Abell, M. L., & Braselton, J. P. (2001). Modern differential equations (2nd ed.). Harcourt College Publishers.
Dyfyniad Arddull ChicagoAbell, Martha L., and James P. Braselton. Modern Differential Equations. 2nd ed. Fort Worth: Harcourt College Publishers, 2001.
Dyfyniad MLAAbell, Martha L., and James P. Braselton. Modern Differential Equations. 2nd ed. Harcourt College Publishers, 2001.
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