RAINVILLE, E. D. (1964). Elementary differetial equations. Macmillan.
Cita Chicago Style (17a ed.)RAINVILLE, Earl D. Elementary Differetial Equations. New York: Macmillan, 1964.
Cita MLA (9a ed.)RAINVILLE, Earl D. Elementary Differetial Equations. Macmillan, 1964.
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