**Differential Equations**

by William Woolsey Johnson

**Publisher**: J. Wiley 1906**ISBN/ASIN**: B007SPAUEQ**Number of pages**: 96

**Description**:

The differential equation must necessarily at first be viewed in connection with a 'primitive', from which it might have been obtained by the direct process, and the solution consists in the discovery, by tentative and more or less artificial methods, of such a primitive, when it exists.

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